ALPINESTARS Youth Bionic 5S Knee Braces - Black/Red 6540520-13 8" 5mm Mounting Hole Diameter: 5

5mm Mounting Hole Diameter: 5

Step into high-quality sound with DS18’s PRO-X8

With its robust construction

Detachable comfort liner for convenience

Removable long-sleeve thermal liner ensures comfort on hot or cold days

ALPINESTARS Youth Bionic 5S Knee Braces - Black/Red 6540520-13 8" 5mm Mounting Hole Diameter: 5Innovative hybrid frames are constructed from a flexible composite over injected with a high performance fiber reinforced polymer which provides optimal structural integrity and support while being ultra lightweight and adaptive Slim ergonomic design for riding comfort during dynamic movement Extremely stable slim design four point hinge system perfectly follows the articulation of the knee Lightweight and highly ventilated knee protector offers