• Extended PU synthetic gaiter helps seal out excessive water and dirt entry.• Injected TPU shin plate connected with the TPU medial protector panel; hook and loop grip upper closure, plus TPR flap for broad ranging calf fit adjustment and support.• The TPU higher medial protector is designed with technical texture for improved grip.• Bio-mechanical medial blade system allows front rear flex giving support and protection to the ankle.• The ergonomic TPU triple buckle straps allow smooth frontal flex from the medial protector to the lateral side without compromising range of movement.• New closure system includes 3 polymer buckles with an innovative closure system.• This closure includes a micro-adjustable ratchet with memory and a quick release/ locking system with self-aligning de- sign for easy, precise closure. All buckles are replaceable.• Innovative one-piece TPU injected dual compound foot shell, reinforced by a metal shank inside a co-injected toe reinforce-ment.• Soft foam surrounds the ankles and collar offering comfort and shock absorbing performance.• Entire textile interior lining for improved levels of comfort and moisture-management.• Replaceable EVA footbed with textile lining on top provides arch support and comfort.• Alpinestars’ exclusive high grip rubber compound outsole provides grip and traction on various surfaces and is profiled to provide control and feel on the bike’s footpegs. The sole is replaceable.