Alpinestars Tech 10 Boots , Primary Color: Green, Size: 11, Distinct Name: Black/Green, Gender: Mens/Unisex 20100141611 Our most innovative off-road boot design yet Revolutionary external structure features an ultra low-profile design to minimize weight at the lower section of the boot Boot upper is designed for controlled flexibility, streamlined profile and superior grip against the bike Innovative bio-mechanical inner bootie provides the ultimate in support Replaceable torsion bars help control ankle and leg rotation while allowing freedom of movement