ALPINESTARS Bionic-10 Carbon Knee Brace - Left - XL/2XL 650041913XL/2X Youth Tech 3S Boots — 40 Uses medium-firm density foam for

Uses medium-firm density foam for added ride quality

Specially formulated to resist harsh fuels (including methanol) and oils

which is a 58-62 Rockwell (C scale)

bungie adjusters at hood

ALPINESTARS Bionic-10 Carbon Knee Brace - Left - XL/2XL 650041913XL/2X Youth Tech 3S Boots — 40 Uses medium-firm density foam forFeatures lightweight hybrid frame construction of carbon composite cores over injected with an advanced fiber reinforced polymer Innovative design and optimized material utilization of the exoskeleton frame construction make the knee brace even lighter than its predecessor, yet provides high structural strength and support Performs at temperatures as low as 4F Double pivoting hinge system incorporates tool free, fast, easily exchangeable extension