Alpinestars TECH 3 ENDURO WATERPROOF 2023 Cross boots - Black / WhiteRef : AP3170

• Lightweight microfiber upper for flexibility, durability and abrasion resistance
• Front and rear gussets with lightweight microfiber inserts for added comfort and flexibility in a crucial area

• All-fabric lining for added comfort

• The TECH 3 BOOT is CE certified to EN 13634:2010.
• The contoured TPU* calf protection plate, TPU* upper medial protector, TPU* outer lateral ankle and TPU* heel counter provide support and impact resistance.
• The rear TPR* gaiter patch applied to the top of the TPU* calf protector offers protection and comfort during rear flexion.

* TPU: thermoplastic elastomer that combines the elastic properties of elastomers and the mechanical properties of plastics

* TPR: thermoplastic rubber

• Innovative polymer closure system
• Micro-adjustable ratchet with adjustment memory
• Quick-release fastening system with self-aligning cut to close boots easily and precisely
• Ergonomic TPU strap with triple buckle for gentle frontal flexion from medial to lateral protection, without restricting movement
• Ample synthetic PU gaiter to prevent water and dirt from penetrating inside the boot
• TPR gaiter applied to the top of the TPU calf guard for protection and comfort during rear flexion
• Innovative, reinforced one-piece TPU dual-mix insole with metal camber and co-injected toe cap
• Replaceable EVA foam insole with fabric insole
• Alpinestars-specific off-road outsole design and rubber compounds for enhanced grip
• Soft foam around the ankles and top of the boot for comfort and shock absorption
• Velcro fastening and TPR flap to adapt to different calf sizes and supports
• Biomechanical blade system at medial level for front and rear flexibility, providing support and protection for the ankle