Alpinestars Kneebrace B-10 Size:S Includes formed rubber valve cover

Includes formed rubber valve cover gaskets

Lenses are shatter-resistant

Extensive lab and field testing have proven that Ultimax XS can withstand the punishment that today's super-sleds dish out

Upper and lower frames are constructed from a high performance polymeric material blend for optimized levels of flexibility and strength as well as excellent weight saving properties

Custom embroidered patch adhered to the original Flexfit® comfort stretch hat

Alpinestars Kneebrace B-10 Size:S Includes formed rubber valve coverFeatures 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