Upper construction is made from lightweight microfiber material for flexibility, durability and abrasion resistance
Light microfiber front and rear bellow inserts offer improved comfort and flexibility in key area
Toe box is constructed from synthetic material for abrasion performance
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 offer support and resistance to impacts
Rear TPR gaiter patch applied on top of the TPU calf protector gives protection and comfort on rear flex
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 design 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 reinforcement
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