USWE Flow 16 Hydration BackpackThe USWE Flow 16 Hydration Pack is ready for action with a SAS-TEC™ CE-Certified full back protector which is fully integrated into the form of the backpack. Additionally, the pack offers the ultimate in stabilised fits with the NDM™ 2.0 harness system and the Snug-Me™ system which embraces the whole torso for a secure and 100% bounce free fit. The harness is completely adjustable, and the chest straps expand along the chest during exertion. Meanwhile, the shoulder straps are ergonomically designed for an even and smooth distribution weight over the shoulders.The backpack features various storage options, including compatibility with a hydration bladder up to 3 litres. Additionally, the pack has a main zippered storage compartment, a back zippered organizer pocket with a padded tool pouch, a helmet carry system, a sunglasses/goggle pocket, and more. The pack is also fitted with an exterior compression system that keeps the rucksack streamlined.Protecting your gear, the pack is made of ultra-rugged materials and for extra protection it also comes with a rain cover that will keep your gear dry.SpecificationsPack Type: Protector BackpackActivity: BikeUser: UnisexPack Weight: 1210g (excl. protector)Dimensions: 50cm (L) x 25cm (W) x 18cm (D)Total Volume: 16LHydration Capacity: 3L/ 100oz (not included)Hydration System: Not includedHarness System: NDM™ 2.0 + Snug-Me™ SystemChest Fit Range: 43 – 55cm/ 17 – 22’’Back Protector: Integrated CE-certified SAS-TEC™ Full back protector Level 1 (SCA-450). The protector is removableFeaturesSAS-TEC™ CE-Certified full back protector. Level 1NDM™ 2.0 Harness systemSnug-Me™ system embraces the whole toros for a secure and bounce free fitStretch in the chest straps expands along with the chest during physical exertion, allowing a constant tight and compliant fitErgonomically designed shoulder strapsCompatible with hydration bladders up to 3.0L (not included)Main zippered storage compatibleBack zippered organiser pocket included padded tool pouchExterior compression systemComes with rain cover that will keep your gear dryBuy USWE Backpacks from Chain Reaction Cycles, the World's Largest Online Bike Store.
USWE Flow 16 Hydration BackpackThe USWE Flow 16 Hydration Pack is ready for action with a SAS-TEC™ CE-Certified full back protector which is fully integrated into the form of the backpack. Additionally, the pack offers the ultimate in stabilised fits with the NDM™ 2.0 harness system and the Snug-Me™ system which embraces the whole torso for a secure and 100% bounce free fit. The harness is completely adjustable, and the chest straps expand along the chest during exertion. Meanwhile, the shoulder straps are ergonomically designed for an even and smooth distribution weight over the shoulders.The backpack features various storage options, including compatibility with a hydration bladder up to 3 litres. Additionally, the pack has a main zippered storage compartment, a back zippered organizer pocket with a padded tool pouch, a helmet carry system, a sunglasses/goggle pocket, and more. The pack is also fitted with an exterior compression system that keeps the rucksack streamlined.Protecting your gear, the pack is made of ultra-rugged materials and for extra protection it also comes with a rain cover that will keep your gear dry.SpecificationsPack Type: Protector BackpackActivity: BikeUser: UnisexPack Weight: 1210g (excl. protector)Dimensions: 50cm (L) x 25cm (W) x 18cm (D)Total Volume: 16LHydration Capacity: 3L/ 100oz (not included)Hydration System: Not includedHarness System: NDM™ 2.0 + Snug-Me™ SystemChest Fit Range: 43 – 55cm/ 17 – 22’’Back Protector: Integrated CE-certified SAS-TEC™ Full back protector Level 1 (SCA-450). The protector is removableFeaturesSAS-TEC™ CE-Certified full back protector. Level 1NDM™ 2.0 Harness systemSnug-Me™ system embraces the whole toros for a secure and bounce free fitStretch in the chest straps expands along with the chest during physical exertion, allowing a constant tight and compliant fitErgonomically designed shoulder strapsCompatible with hydration bladders up to 3.0L (not included)Main zippered storage compatibleBack zippered organiser pocket included padded tool pouchExterior compression systemComes with rain cover that will keep your gear dryBuy USWE Backpacks from Chain Reaction Cycles, the World's Largest Online Bike Store.
USWE Shred 25 Hydration BackpackThe USWE Shred 25 Hydration Backpack comes equipped with USWE’s advanced, patented No Dance Monkey™ 2.0 + Snug-Me™ harness system and waist support belt. This harness is built with integrated elastic straps that expand along with your chest during physical exertion, while stabilising the bags position on your back.For further comfort, the shoulder straps are ergonomically designed to distribute the weight of the pack over the shoulders. The shoulder straps are also equipped with quick-click attachment points for attaching quick-grab items that are kept close at hand.The back panel is height adjustable – easily being moved up and down. While the back panel is specially designed with enhanced ventilation.Packed full of smart storage solutions, with a 25L volume, the pack includes a zippered organiser pocket, armour carry attachment points, a helmet carry system, a zippered top panel pocket with soft inner fabric that’s perfect for storing your goggles. SpecificationsPack Type: DaypackActivity: BikeUser: UnisexPack Weight: 1495gDimensions: 54cm (L) x 29cm (W) x 22cm (D)Total Volume: 25LHydration Capacity: 3L/ 100oz (not included)Hydration System: Not includedHarness System: NDM™ 2.0 + Snug-Me™ SystemChest Fit Range: 45 - 55cm / 18 - 22”FeaturesBounce free No Dancing Monkey™ 2.0 + Snug-Me™ harness system with integrated elastic straps that expands along with the chest during physical exertion, allowing a constant tight and compliantThe shoulder straps are ergonomically designed for a comfortable and smooth distribution of the backpack over the shouldersVentilated and multi-size adjustable back panel that easily can be adjusted up and down for individual fit and size of the packOutside compression system for a slim profileZippered organizer pocket with a large and smooth openingArmor carry attachment pointsHelmet carry system (detachable stash carrier)Rain coverBuy USWE Backpacks from Chain Reaction Cycles, the World's Largest Online Bike Store.
USWE Shred 25 Hydration BackpackThe USWE Shred 25 Hydration Backpack comes equipped with USWE’s advanced, patented No Dance Monkey™ 2.0 + Snug-Me™ harness system and waist support belt. This harness is built with integrated elastic straps that expand along with your chest during physical exertion, while stabilising the bags position on your back.For further comfort, the shoulder straps are ergonomically designed to distribute the weight of the pack over the shoulders. The shoulder straps are also equipped with quick-click attachment points for attaching quick-grab items that are kept close at hand.The back panel is height adjustable – easily being moved up and down. While the back panel is specially designed with enhanced ventilation.Packed full of smart storage solutions, with a 25L volume, the pack includes a zippered organiser pocket, armour carry attachment points, a helmet carry system, a zippered top panel pocket with soft inner fabric that’s perfect for storing your goggles. SpecificationsPack Type: DaypackActivity: BikeUser: UnisexPack Weight: 1495gDimensions: 54cm (L) x 29cm (W) x 22cm (D)Total Volume: 25LHydration Capacity: 3L/ 100oz (not included)Hydration System: Not includedHarness System: NDM™ 2.0 + Snug-Me™ SystemChest Fit Range: 45 - 55cm / 18 - 22”FeaturesBounce free No Dancing Monkey™ 2.0 + Snug-Me™ harness system with integrated elastic straps that expands along with the chest during physical exertion, allowing a constant tight and compliantThe shoulder straps are ergonomically designed for a comfortable and smooth distribution of the backpack over the shouldersVentilated and multi-size adjustable back panel that easily can be adjusted up and down for individual fit and size of the packOutside compression system for a slim profileZippered organizer pocket with a large and smooth openingArmor carry attachment pointsHelmet carry system (detachable stash carrier)Rain coverBuy USWE Backpacks from Chain Reaction Cycles, the World's Largest Online Bike Store.
USWE Airbourne 9 Hydration Backpack BladderThe USWE Airbourne 9 Hydration Backpack Bladder is a versatile hydration pack that is every singletrack riders’ favourite – it’s built for speed.Keeping the pack stabilised the bag features the USWE revolutionary NDM™ Race Suspension Harness system which guarantees zero bouncing on your back. The system, plus the adjustable and highly-ventilated shoulder straps, also allow full freedom of movement.The hydration pack features the USWE 2.0 litre Elite™ bladder, which is safely and securely buckled up inside the main compartment on your back. The bladder features a Slide-Seal™ top and Plug-N-Play™ coupling which provide easy access for fast refilling and cleaning. Meanwhile, a Magnetic Tube Clip makes it easy to stay hydrated on the move.Additionally, the pack delivers plenty of storage for all your core kit. The pack has a 9L total volume which is distributed across 8 storage pockets including a smart organizer that makes it easy to keep your kit in place for quick access. SpecificationsPack Type: Hydration BackpackActivity: Mountain BikingUser: UnisexPack Weight: 600g (excl. bladder)Dimensions: 45cm (L) x 19cm (W) x 14cm (D)Total Volume: 9LHydration Capacity: 3L/ 100ozHydration System: Elite™ Hydration Bladder with Plug-n-Play CouplingTube Attachment: Magnetic Tube Clip: Keeps your tube in a secure and accessible positionHydration Tube Type: Hydraflex Drink TubeHarness System: NDM™ Race HarnessChest Fit Range: M - XL, Chest Circumference (84 - 110 cm / 33 - 43")Back Panel: Ventilated back panel with foam ridgesShoulder Straps: High-vent foam shoulder straps with ergonomic form-fitChest Straps: Straps with Stretch Support that allow normal breathing capacity and your freedom to movePhone Pocket: Water resistant Phone Pocket at the back. Inner size: 8 - 16 cmOrganiser Pocket: Keeps your tools and gear in safe positionQuick Stash-Pocket: Stash or shed a layer or rain shellCargo Compression: Keeps your gear close to your body for better balance and increased pack stabilityBladder Sleeve: Compression sleeve keeps bladder in tight and secure positionGear Attachment Points: Helmet Carry: Secure a full-face helmetLED-Light Attachment: Easy and secure attachment for bike LED-lightReflective Points: Visual reflective points: Front & BackNumber of Pockets: 7FeaturesDesigned to carry your personal gear and hydration while you're bombing the hillsAn action backpack plus the 3.0L Elite™ hydration bladderNDM™ harness system for 100% bounce free stabilisationFully adjustable fitTotal storage capacity of 9 litres8 storage pocketsSmart organizer pocketSeveral smart attachment points for your full-face helmet, knee and elbow padsBuy USWE Hydration Packs from Chain Reaction Cycles, the World's Largest Online Bike Store.
USWE Airbourne 15 Hydration Backpack wBladderRide free and adventure further with the Airbourne Hydation Backpack which provides plenty of storage for a long day on the trail. The pack features 12 storage pockets, including a large main compartment, a smart organiser pocket which helps you keep everything organised and quick to access, plus multiple smart attachment points for full-face helmets, knee and elbow pads.The Airbourne delivers bounce-free stabilisation with the NDM™ 4-point harness system which is fully adjustable with highly-ventilated shoulder straps.Keeping you hydrated, the pack comes with the USWE 3.0L Elite™ hydration bladder with a Slide-Seal™ top and a Plug-n-Play™ coupling system that makes it easy to refill and incredibly easy to clean. The Magnetic Drink Tube also helps keep the drinking tube in a secure and easily accessible position – making it easy to drink from the bladder while on the move.SpecificationsPack Type: Hydration BackpackActivity: Mountain BikingUser: UnisexPack Weight: 690g (excl. bladder)Dimensions: 50cm (L) x 24cm (W) x 17cm (D)Total Volume: 15LHydration Capacity: 3LHydration Capacity: 3LHydration System: Elite™ Hydration Bladder with Plug-n-Play CouplingTube Attachment: Magnetic Tube Clip: Keeps your tube in a secure and accessible positionHydration Tube Type: Hydraflex Drink TubeHarness System: NDM™ Race HarnessChest Fit Range: M - XL, Chest Circumference (84 - 110 cm / 33 - 43")Back Panel: Ventilated back panel with foam ridgesShoulder Straps: High-vent foam shoulder straps with ergonomic form-fitChest Straps: Straps with Stretch Support that allow normal breathing capacity and your freedom to movePhone Pocket: Water resistant Phone Pocket accessible at the front. Inner size 8 x 16 cmOrganiser Pocket: Keeps your tools and gear in safe positionQuick Stash-Pocket: Stash or shed a layer or rain shellKey and Card Pocket: Zippered pocket for keys and credit cardsCargo Compression: Keeps your gear close to your body for better balance and increased pack stabilityGear Attachment Points: Helmet Carry: Secure a full-face helmetLED-Light Attachment: Easy and secure attachment for bike LED-lightReflective Points: Visual reflective points on front and backNumber of Pockets: 12Features15 litre volumeBounce free NDM™ 4-point harness systemHighly-ventilated shoulder strapsComes with the 3.0L Elite™ hydration bladder with Side-Seal™ top and Plug-N-Play™ coupling12 storage pockets including a large main compartmentSmart organiser pocketSeveral smart attachment pointsGreat for hard core mountainbike adventuresBuy USWE Hydration Packs from Chain Reaction Cycles, the World's Largest Online Bike Store.
USWE Outlander 3 Hydration PackThe USWE Outlander 3 Hydration Pack delivers the best in stabilisation – the NDM™ 4-point harness system provides award winning and patented 100% no-bounce technology. The harness is fully adjustable and suits multiple sizes with super stretch engineering that allows for full freedom of movement.To keep you hydrated, the pack comes with the USWE 1.5L Elite™ hydration bladder, that neatly fits into the main compartment of the pack. The bladder has a big slide opening at the top for the quick filling of ice and water. Also, easy to clean, the bladder is fully reversible.The Outlander is primary designed for pro riders at marathon distances, but it is a great pick for any rider who’s looking for a hydration pack that looks good and feels good. The pack is a racer and great for pro to amateur riders.SpecificationsPack Type: Hydration BackpackActivity: Mountain Biking, Cycling, Off-road MotorcycleUser: UnisexPack Weight: 380g (excl. bladder)Dimensions: 30cm (L) x 15cm (W) x 12cm (D)Total Volume: 3LHydration Capacity: 1.5L/ 50ozHydration System: Elite™ Hydration Bladder with Fixed CouplingTube Attachment: Tube Clip – Keeps your tube in a secure positionHydration Tube Type: Hydraflex Drink TubeHarness System: NDM™ 1.0Chest Fit Range: M - XL, Chest Circumference (84 - 110 cm / 33 - 43")Back Panel: Lightweight mesh back panelShoulder Straps: High-vent foam shoulder straps with ergonomic form-fitChest Straps: Straps with Stretch Support that allow normal breathing capacity and your freedom to movePhone Pocket: Water resistant Phone Pocket at the back. Inner size: 8 - 16 cmOrganiser Pocket: On/Off external multi-pocket (1.0 liter): Keeps your tools and gear in secure positionLED-Light Attachment: Easy and secure attachment for bike LED-lightReflective Points: Visual reflective points - Front & BackNumber of Pockets: 3Helmet Handsfree Compatible: YesAction Camera Harness Compatible: YesFeaturesStreamlined hydration backpackOnly weighs 370gNDM™ 4-point harness that makes the pack 100% bounce free in actionIncludes the 1.5L Elite™ hydration bladderGreat for pro riders at marathon distancesPatented and award-winning technologyFull freedom of movementMulti-size function harnessGreat looking design3L total volumeBuy USWE Hydration Packs from Chain Reaction Cycles, the World's Largest Online Bike Store.
USWE Outlander 3 Hydration PackThe USWE Outlander 3 Hydration Pack delivers the best in stabilisation – the NDM™ 4-point harness system provides award winning and patented 100% no-bounce technology. The harness is fully adjustable and suits multiple sizes with super stretch engineering that allows for full freedom of movement.To keep you hydrated, the pack comes with the USWE 1.5L Elite™ hydration bladder, that neatly fits into the main compartment of the pack. The bladder has a big slide opening at the top for the quick filling of ice and water. Also, easy to clean, the bladder is fully reversible.The Outlander is primary designed for pro riders at marathon distances, but it is a great pick for any rider who’s looking for a hydration pack that looks good and feels good. The pack is a racer and great for pro to amateur riders.SpecificationsPack Type: Hydration BackpackActivity: Mountain Biking, Cycling, Off-road MotorcycleUser: UnisexPack Weight: 380g (excl. bladder)Dimensions: 30cm (L) x 15cm (W) x 12cm (D)Total Volume: 3LHydration Capacity: 1.5L/ 50ozHydration System: Elite™ Hydration Bladder with Fixed CouplingTube Attachment: Tube Clip – Keeps your tube in a secure positionHydration Tube Type: Hydraflex Drink TubeHarness System: NDM™ 1.0Chest Fit Range: M - XL, Chest Circumference (84 - 110 cm / 33 - 43")Back Panel: Lightweight mesh back panelShoulder Straps: High-vent foam shoulder straps with ergonomic form-fitChest Straps: Straps with Stretch Support that allow normal breathing capacity and your freedom to movePhone Pocket: Water resistant Phone Pocket at the back. Inner size: 8 - 16 cmOrganiser Pocket: On/Off external multi-pocket (1.0 liter): Keeps your tools and gear in secure positionLED-Light Attachment: Easy and secure attachment for bike LED-lightReflective Points: Visual reflective points - Front & BackNumber of Pockets: 3Helmet Handsfree Compatible: YesAction Camera Harness Compatible: YesFeaturesStreamlined hydration backpackOnly weighs 370gNDM™ 4-point harness that makes the pack 100% bounce free in actionIncludes the 1.5L Elite™ hydration bladderGreat for pro riders at marathon distancesPatented and award-winning technologyFull freedom of movementMulti-size function harnessGreat looking design3L total volumeBuy USWE Hydration Packs from Chain Reaction Cycles, the World's Largest Online Bike Store.
USWE Zulo 2 Hydration Hip PackA race hydration pack, the USWE Zulo 2 Hydration Hip Pack ensures a comfortable, stabilised fit, and provides plenty of room for your race day essentials. Includes a 1L hydration bladder.The Zulo 2 ensures the perfect ergonomic fit on your hip with a special banana shaped design and single-buckled secure suspension strap system. The belt comfortably and easily fixes to your waist, stabilising the pack, while working with your movements and not against them.The pack features 2 litres of storage with a smart organiser pocket and two quick stash side pockets that allow quick and easy access to your race-day nutrition.Keeping you hydrated the Zulo 2 also comes with USWE’s Elite 1L hydration bladder with, easy-to-use, Plug-N-Play coupling and a magnetic clip for the drink tube.SpecificationsPack type: Hydration Hip PackActivity: Mountain Biking, Enduro, Off-road MotorcycleUser: UnisexPack Weight: 240g (excluding bladder)Dimensions: 16cm (L) x 24cm (W) x 10cm (D)Total Volume: 2LHydration Capacity: 1,0L / 35 ozHydration System: Elite Hydration Bladder with Plug-n-Play CouplingTube Attachment: Magnetic Tube Clip - Keeps your tube in a secure and accessible positionHydration Tube Type: Hydraflex Drink TubeHip Belt System: Compression strap system for slim & secure profileFits Waist: S - XL (80 - 112cm / 31 - 44")Back Panel: Lightweight mesh back panelOrganizer Pocket: Keeps your tools and gear in safe positionEnergy Pockets: Food and Gel pockets accessible while in actionCargo Compression: Keeps your gear close to your body for better balance and increased pack stabilityLED-Light Attachment: Easy and secure attachment for bike LED-lightReflective Points: Visual reflective points: Front & BackNumber Of Pockets: 6Helmet Handsfree Compatible: YesFeatures2L storage capacityComes with USWE’s 1.0L Elite bladder with Plug-N-Play couplingErgonomic fit on your hipBanana-shapedSingle-buckle secure suspension strapSmart organiser pocketTwo quick stash side pockets for quick access to energy gels and foodBuy USWE Courier Bags from Chain Reaction Cycles, the World's Largest Online Bike Store.
USWE Zulo 6 Hydration Hip PackA racing hip pack, the USWE Zulo 6 Hydration Hip Pack provides 6 litres of storage, with plenty of room for all your essentials, and includes USWE’s Elite 1.5L hydration bladder.The Zulo 6 provides an ergonomic, form-fitting fit with the pack’s special banana shape, and a single-buckle secure suspension strap. The belt fixes on your waist and ensures a stabilised fit that works with your movements.The pack is equipped with 6 litres of storage capacity and features a large main compartment, a multi-organiser pocket, and two pockets on the side for quick and easy access to your race-day nutrition.The Zulo also keeps you hydration, coming fitted with USWE’s 1.5L Elite hydration bladder, with easy-to-use Plug-N-Play coupling, plus a magnetic tube trap.SpecificationsPack type: Hip PackActivity: Mountain Biking, Enduro, Off-road MotorcycleUser: UnisexPack Weight: 380g (excluding bladder)Total Volume: 6LHydration Capacity: 1,5L / 50 ozHydration System: Compact Hydration Bladder with Plug-n-Play CouplingFits Waist: S - L (80 - 102 cm / 31 - 40 ")LED-Light Attachment: Easy and secure attachment for bike LED-lightNumber Of Pockets: 8Helmet Handsfree Compatible: YesFeaturesA hip pack made for hard racingForm-fittingBanana shaped designSingle-buckle secure suspension strap6 litre capacityIncludes USWE’s Elite 1.5L hydration bladderPlug-N-Play couplingMagnetic tube clipBuy USWE Courier Bags from Chain Reaction Cycles, the World's Largest Online Bike Store.
USWE Outlander Pro Hydration PackA stripped back racing pack, the Outlander Pro Hydration Pack is a featherlight pack designed by USWE for pro MTB athletes Henrique Avancini and Manuel Fumic.Engineered with USWE’s award-winning, patented NDM 4-point harness which provides 100% bounce-free stabilisation. The harness straps provide a super-stretch system that works with your movements, supporting your breathing compacity, and providing plenty of freedom to move.The Outlander Pro is streamlined for storing your race day essentials and includes USWE’s 2L Elite hydration bladder. The bladder comes with USWE’s, easy-to-use, Plug-N-Play coupling system and magnetic tube clip for easy drinking on the go.SpecificationsPack type: Hydration BackpackActivity: Mountain Biking, Cycling, Trail RunningUser: UnisexPack Weight: 260g (excluding bladder)Dimensions: 32cm (L) x 16cm (W) x 9cm (D)Total Volume: 2LHydration Capacity: 2,0L / 70 ozHydration System: Elite Hydration Bladder with Plug-n-Play CouplingTube Attachment: Tube Clip: Keeps your tube in a secure positionHydration Tube Type: Hydraflex Drink TubeHarness System: NDM 1.0Chest Fit Range: M - XL, Chest Circumference (84 - 110 cm / 33 - 43")Back Panel: Lightweight mesh back panelShoulder Straps: High-vent mesh shoulder straps with ergonomic form-fitChest Straps: Straps with Stretch Support that allow normal breathing capacity and your freedom to movePhone Pocket: Water resistant Phone Pocket at the back. Inner size: 8 - 16 cmReflective Points: Visual reflective points: FrontNumber Of Pockets: 2Helmet Handsfree Compatible: NoAction Camera Harness Compatible: NoFeaturesSuper lightweightRace packNDM 4-point harness system provides 100% bounce free stabilisationComes with USWE’s 2L Elite hydration bladder with Plug-N-Play couplingBuy USWE Hydration Packs from Chain Reaction Cycles, the World's Largest Online Bike Store.
USWE MTB Hydro 3 Hydration PackA premium hydration pack for high-performance MTB riders, the USWE MTB Hydro 3 Hydration Pack is a stabilised pack with 3 litres of storage, supplied with USWE’s 2L Elite™ hydration bladder.The Hydro pack is engineered with USWE’s advanced, patented, and award-winning No Dancing Monkey™ 1.2 harness system that ensures 100% bounce-free stabilisation. The harness is made up for elastic straps that expand with your chest movements allowing a tight fit that allows you freedom to move. The shoulder straps are ventilated and ergonomically designed to ensure a smooth distribution of your pack’s weight.Delivering 3 litres of storage, the Hydro pack features a large main compartment, which fits a hydration bladder, and a built-in water-resistant phone pocket. The pack also comes with a detachable organiser pocket which stores tools, equipment, and nutrition.The pack comes equipped with USWE’s 2L Elite™ hydration bladder. The advanced bladder features a slider opening, for easy cleaning/drying, plus a smooth Plug-N-Play coupling system.SpecificationsPack type: Hydration BackpackActivity: Mountain Biking, GravelUser: UnisexPack Weight: 429g (excluding bladder)Dimensions: 31cm (L) x 16cm (W) x 8cm (D)Total Volume: 3LHydration Capacity: 2,0L / 70 ozHydration System: Elite Hydration Bladder with Plug-n-Play CouplingHarness System: NDM 1.2Chest Fit Range: M - XL, Chest Circumference (84 - 110 cm / 33 - 43")FeaturesBounce free No Dancing Monkey™ 1.2 harness systemElastic straps that expand along with the chest during physical exertion, allowing a constant tight and compliant fitVentilated shoulder straps that are ergonomically designed for a comfortable and smooth distribution of the backpack over the shouldersAir-vented back panel with wave-profile pads for optimal comfort and airflowMain compartment for hydrationWater-resistant phone pocketComes with USWE’s 2L Elite™ hydration bladderDetachable organiser pocket for tools, equipment, and food2x tube clips, secure attachment for drink tubeReflective points for night visibilityBuy USWE Hydration Packs from Chain Reaction Cycles, the World's Largest Online Bike Store.