Our lightest knee protectors engineered to provide both UV protection and ultralight insulation. Excels at moisture transportation actively manages skin temperature and protects against the sun’s rays on bright summer days. A new textile and construction virtually eliminate the bunching and restriction common with knee protection providing a high-stretch comfortably compressive solution to everything from UV exposure and a glistening sheen of perspiration during summer rides to the lingering chill and gradual dull ache of exposed knees in early fall and late spring. Regardless of the season every ride benefits from aggressive wicking and the material serves as a corrective to the temperature cooling in the heat and warming in cool conditions. 78%PL 15%PA 7%EA
Race-tuned warmers refined with feedback from our WorldTour riders for uncompromising comfort warmth and ease of removal. Assos updated the fit to further reduce pedaling restriction and increase thermal protection on the outside of the upper thigh into the hip area. We also added a zippered ankle which makes the warmers easier to strip and stow while in the saddle. On days you wear them for the entire ride these new warmers ride more securely courtesy of our skinGrip Finish a low-bulk silicone grip that allows for seamless layering and raw cut hems. Light compression moderate insulation aggressive breathability and an aerodynamic fit. 63%PA 20%EA 17%PL
Assos' lightest leg protectors engineered to provide both UV protection and ultralight insulation. Excels at moisture transportation actively manages skin temperature and protects against the sun’s rays on bright summer days. Full-leg protection in cool conditions is a balancing act between overheating and a lingering chill that gradually creeps from aching knees into your core. The Spring Fall Leg Warmer is a high-stretch comfortably compressive solution that warms on cool summer mornings brisk fall days and chilly spring afternoons—and protects against UV rays regardless of the season. 78%PL 15%PA 7%EA
A neck warmer made from insulating breathable circular seamless. Engineered for high-intensity winter riding and late-season cyclocross races. Built from the same material as our Winter Cap the Neck Warmer’s single-layer construction traps warmth across your face and throat while thermoregulating with high breathability to expel moisture and excess heat. This prevents the frigid stinging chill of accumulated internal moisture. ONE SIZE 84%PP 8%PA 8%EA
Race-tuned warmers engineered to the specifications of our WorldTour riders for uncompromising comfort and premium finishing details. Our test riders and WorldTour athletes requested some changes to our standard Spring Fall Leg Warmers. This is the result. The OSMOS Medium material is the same used in our premium winter jackets and tights and it provides better temperature regulation and durability than the RX Light material in our standard Spring Fall warmers. The RS warmers also include ankle zips so they’re easier to strip in the saddle and increased grip ensures they stay in place when you need them. 63%PA 20%EA 17%PL
The Castelli Nano Flex 3G Leg Warmers are a stalwart of your winter cycling kit rain repellent, windproof, warming and luxuriously comfortable, this latest evolution of the Nano Flex technology is Castellis best yet. The Nano Flex 3G fabric used across these leg warmers utilises a combination of newly updated durable water repellent (DWR) treatment and mechanical heat treatment to give previously unheard-of levels of rain protection. Light rain beads off the fabric, keeping you dry when those inevitable rainy spells descend. On the inside of the Nano Flex 3G fabric, a super soft finish and the optimal loft have been achieved through Castellis meticulous research and development. The fabric feels phenomenally comfortable against the skin and the loft traps just the right amount of air above the skin to keep your heat regulated over a wide range of autumn and winter conditions. This latest update to the Nano Flex fabric not only reflects Castellis ongoing commitment to offering you the very best garment quality but crucially means more time enjoying yourself on the bike. The flat-lock stitching and single-seam construction keep the profile of the warmers low and the stretch is optimised for maximal freedom of movement. A dual-sided silicone gripper at the upper end secures the warmers in place. The compact size of the warmers makes them easy to stuff into rear pockets when conditions lighten up. Key Features Newly updated Nano Flex 3G fabric for exceptional warmth, softness and protection from the rain Minimal seam construction for aesthetic versatility and freedom of movement Easily packable into a pocket Highly breathable Optimal temperature range is 8C 18C
The Castelli Thermoflex 2 Arm Warmers are perfect if you dont need wet weather protection and are looking for an incredibly soft and insulating warmer that uses luxurious fabric to keep you protected in cooler climes. On the inside of the Thermoflex 2 fabric, a super soft finish and the optimal loft have been achieved through Castellis meticulous research and development. The fabric feels phenomenally comfortable against the skin and the loft traps just the right amount of air above the skin to keep your heat regulated over a wide range of autumn and winter conditions. The discreet black embossed Castelli wordmark logos on these warmers is a nice touch and means that they can be worn with a wide range of jerseys. The dual-sided silicone gripper on the upper edge keeps the warmers securely in place whilst the single-seam construction and flatlock stitching contribute to a low-profile look and feel. Key Features Thermoflex 2 fabric for exceptional warmth and softness Minimal seam construction for aesthetic versatility and freedom of movement Easily packable into a pocket Highly breathable but also insulating Optimal temperature range is 8C 20C
The Castelli Nano Flex 3G Arm Warmers are a stalwart of your winter cycling kit rain repellent, windproof, warming and luxuriously comfortable, this latest evolution of the Nano Flex technology is Castellis best yet. The Nano Flex 3G fabric used across these arm warmers utilises a combination of newly updated durable water repellent (DWR) treatment and mechanical heat treatment to give previously unheard-of levels of rain protection. Light rain beads off the fabric, keeping you dry when those inevitable rainy spells descend. On the inside of the Nano Flex 3G fabric, a super soft finish and the optimal loft have been achieved through Castellis meticulous research and development. The fabric feels phenomenally comfortable against the skin and the loft traps just the right amount of air above the skin to keep your heat regulated over a wide range of autumn and winter conditions. This latest update to the Nano Flex fabric not only reflects Castellis ongoing commitment to offering you the very best garment quality but crucially means more time enjoying yourself on the bike. The flat-lock stitching and single-seam construction keep the profile of the warmers low and the stretch is optimised for maximal freedom of movement. A dual-sided silicone gripper at the upper end secures the warmers in place. The compact size of the warmers makes them easy to stuff into rear pockets when conditions lighten up. Key Features Newly updated Nano Flex 3G fabric for exceptional warmth, softness and protection from the rain Minimal seam construction for aesthetic versatility and freedom of movement Easily packable into a pocket Highly breathable Optimal temperature range is 8C 20C
The Castelli Nano Flex 3G Leg Warmers are a stalwart of your winter cycling kit rain repellent, windproof, warming and luxuriously comfortable, this latest evolution of the Nano Flex technology is Castellis best yet. The Nano Flex 3G fabric used across these leg warmers utilises a combination of newly updated durable water repellent (DWR) treatment and mechanical heat treatment to give previously unheard-of levels of rain protection. Light rain beads off the fabric, keeping you dry when those inevitable rainy spells descend. On the inside of the Nano Flex 3G fabric, a super soft finish and the optimal loft have been achieved through Castellis meticulous research and development. The fabric feels phenomenally comfortable against the skin and the loft traps just the right amount of air above the skin to keep your heat regulated over a wide range of autumn and winter conditions. This latest update to the Nano Flex fabric not only reflects Castellis ongoing commitment to offering you the very best garment quality but crucially means more time enjoying yourself on the bike. The flat-lock stitching and single-seam construction keep the profile of the warmers low and the stretch is optimised for maximal freedom of movement. A dual-sided silicone gripper at the upper end secures the warmers in place. The compact size of the warmers makes them easy to stuff into rear pockets when conditions lighten up. Key Features Newly updated Nano Flex 3G fabric for exceptional warmth, softness and protection from the rain Minimal seam construction for aesthetic versatility and freedom of movement Easily packable into a pocket Highly breathable Optimal temperature range is 8C 18C
THERMOFLEX LUXURIOUS FLEECY WARMTH If you don't need the extra wet weather protection of Nano Flex, or if you've always been happy with traditional warmers, you'll find that Castelli's Thermoflex warmers offer the softest, most luxurious fabric combined with careful attention to construction details. WHAT IT IS Thermoflex is luxuriously warm and stretchy in dry conditions but is not intended for wet conditions. PRODUCT FEATURES Thermoflex fleece fabric is warm, stretchy and soft Single-piece construction with flat-lock seams Embossed Castelli wordmark logos Dual-sided silicone gripper elastic at top prevents sliding down 8°-18°C / 46°-64°F Weight:114 g
The Castelli Thermoflex 2 Arm Warmers are perfect if you dont need wet weather protection and are looking for an incredibly soft and insulating warmer that uses luxurious fabric to keep you protected in cooler climes. On the inside of the Thermoflex 2 fabric, a super soft finish and the optimal loft have been achieved through Castellis meticulous research and development. The fabric feels phenomenally comfortable against the skin and the loft traps just the right amount of air above the skin to keep your heat regulated over a wide range of autumn and winter conditions. The discreet black embossed Castelli wordmark logos on these warmers is a nice touch and means that they can be worn with a wide range of jerseys. The dual-sided silicone gripper on the upper edge keeps the warmers securely in place whilst the single-seam construction and flatlock stitching contribute to a low-profile look and feel. Key Features Thermoflex 2 fabric for exceptional warmth and softness Minimal seam construction for aesthetic versatility and freedom of movement Easily packable into a pocket Highly breathable but also insulating Optimal temperature range is 8C 20C
THERMOFLEX LUXURIOUS FLEECY WARMTH If you don't need the extra wet weather protection of Nano Flex, or if you've always been happy with traditional warmers, you'll find that Castelli's Thermoflex warmers offer the softest, most luxurious fabric combined with careful attention to construction details. WHAT IT IS Thermoflex is luxuriously warm and stretchy in dry conditions but is not intended for wet conditions. PRODUCT FEATURES Thermoflex fleece fabric is warm, stretchy and soft Single-piece construction with flat-lock seams Embossed Castelli wordmark logos Dual-sided silicone gripper elastic at top prevents sliding down 8°-18°C / 46°-64°F Weight:114 g