Alpinestars Tech 3 Enduro Drystar Waterproof Boots - Size 10 FREE US Shipping! • Waterproof membrane provides wet weather performance. • New innovative closure system includes an aluminum frame with self-aligning, quick-release closures incorporating a ratchet with memory for a customized, secure fit; all buckles are replaceable. • The ergonomic TPU triple buckle straps wrap the front flex from the medial protector to the lateral side without compromising the flex. • Dual compound sole is seamlessly integrated into the base structure for superior durability and performance as well as grip and feel. • Extended PU synthetic gaiter helps seal out excessive water and dirt entry. • Contoured TPU calf protector plate, TPU higher medial protector, TPU outer lateral ankle and TPU heel counter offers support and resistance to impacts. • Injected TPU shin plate connected with the TPU medial protector panel; Velcro® upper closure, plus TPR flap for broad ranging calf fit adjustment and support. • Innovative, one-piece TPU injected dual compound foot shell, reinforced by a metal shank inside a co-injected toe reinforcement. • Soft foam surrounds the ankles and collar offering comfort and shock absorbing performance.