Alpinestars Bionic Flex Knee Protector Size:Large/X-Large 3K carbon fiber shell

3K carbon fiber shell

they provide exceptional warmth while maintaining flexibility for ease of movement

Designed specifically for youth and smaller-framed riders

triple-layer foam and tear-off lens functionality

while a front zipper pocket with organizer provides quick access to smaller items like keys

Alpinestars Bionic Flex Knee Protector Size:Large/X-Large 3K carbon fiber shellWith ergonomically profiled Nucleon Flex Technology protection held securely in position via an elasticated top strap and silicon hems, the Bionic Flex Knee Protector incorporates comfort padding with a soft touch stretch mesh which prevents heat build up. The asymmetric and lightweight design ensures this knee protector provides optimal levels of comfort and freedom of movement