Premium materials and state-of-the-art craftsmanship  Boot upper design circa 1979, flag colors modified to match those in the original one-color Alpinestars catalogs Supple full-grain Italian leather  Understated impact and abrasion protection  TPU protection on the toe and heel are designed to dissipate impact energy across the foot  The only visible part of the heel protection is molded with multiple densities of TPU to give proper protection, support, and fit without sacrificing comfort  Toe protection includes a molded TPU slider to resist abrasion and is positioned in a way that maximizes flexibility  All the components are smoothly integrated into the design with flush seams, making for an aerodynamic hull that is also easy to clean  Anatomic, dual-density TPU ankle protection Padded and internally reinforced shift pad maximizes feel and channels flex in the vamp while making gear changing more comfortable Minimal sole reduces weight and maximizes flexibility, and the even tread pattern gives a more predictable grip  Heel mid-sole molded in PU for comfort  Removable anatomic foot bed  Waterproof and breathable Gore-Tex® lining with gussetted zipper  Gore-Tex® certified exterior construction  Available in men's European sizes 38-48