Alpinestars Motocross boots Tech 3

• Innovative and lightweight microfibre upper, flexible and abrasion-resistant
• Lightweight microfibre at the front and back of the gusset for added comfort in the flexible zone
• Synthetic toe box for high abrasion resistance
• Extended synthetic polyurethane (PU) gaiter to prevent excessive water and dirt infiltration
• Shin plate made of profiled thermoplastic polyurethane (TPU). Upper medial protection in TPU. External ankle protection in TPU and TPU heel counter provide support and impact resistance
• TPR rear patch on the TPU shin guard for protection and comfort when bending back
• Injected TPU tibia plate connected to the medial protective panel in TPU; top hook-and-loop closure and TPR tab for wide calf adjustment
• The raised medial TPU ankle protector features a technical texture for better grip
• The medial blade mechanical system offers good forward/backward flex for ankle support and protection
• Ergonomic triple loop TPU straps smoothly wrap the forward flex of the medial protector to the lateral side without compromising the boot's flexibility.
• Closure system featuring 3 polymer buckles with an innovative mechanism: memory ratchet and quick lock/unlock system with automatic alignment for easy and precise closure; all buckles are replaceable
• Innovative monoblock foot shell in bi-material injected TPU, reinforced by a metal shank in the co-injected toe reinforcement
• Soft padding around the ankles and collar for increased comfort and shock absorption
• Replaceable EVA insole with textile lining on top
• High-traction rubber outsole. Replaceable sole

Material composition

• 68% TPU, 21% microfibre, 4% polyurethane, 4% thermoplastic rubber & 3% synthetic PU nubuck. Inner lining: 94.45% textile & 5.55% synthetic PU