Endura Crossbow GlassesLike its clothing ranges, Endura manufactures long lasting, high performance cycle accessories using the best available material and design. A focus on function and longevity without cutting corners on material and construction is the enduring ethos that permeates throughout Endura today.Features: One-piece light reactive (photochromic) lens adjusts to a super wide range of changing light conditions Anti-fog finish resists misting on inside of lens Superlight rimless frame construction Vented nose piece for maximum comfort Adjustable temple tips Supplied complete with hardcase and soft wipe microfibre carry pouch 100% UV protection in compliance with EN1836Buy Endura Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.