This Tech 1 boot includes the specific Alpinestars All-Terrain sole providing optimal grip and high flexibility. With its innovative closure system its is adjustable to every type of calf and comfortable to wear.

Details:

• Multi-material upper constructed from lightweight, abrasion resistant and durable microfiber and incorporating hard anatomically profiled copolymer protection
• Replaceable Alpinestars compound all terrain sole for grip and support
• Innovative microfiber front and rear flex inserts for control, support and front and rear movement
• Bio-mechanical medial 'flexi-blade' system provides excellent front and rear movement while offering support and protection to the ankle
• Contoured co-injected polymer shin and calf protection connects on the lateral side to provide excellent all-round protection
• Comprehensive boot support and protection provided by core polymer protection in the lateral, medial, heel counter and toe box for excellent impact performance
• 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 upper closure, plus TPR flap for broad ranging calf fit adjustment and comfort
• Innovative closure system with memory and 3 ergonomic TPU buckles and a quick-release/locking-system 
• All buckles are replaceable
• Extended PU gaiter seals out excessive dirt entry
• Medial-facing texture patterning provides improved grip on bike
• Full technical textile lining for comfort and moisture wicking
• Replaceable EVA footbed features textile lining for comfort
• Soft, multi-density foam surrounds ankles and collar for comfort and shock absorbing performance
• Innovative one-piece TPU injected insole, reinforced by a metal shank inside and co-injected toe reinforcement
• Replaceable stamped steel sole guard