Alpinestars SMX S Black Sport Boots

Durable microfiber upper construction that has superb flexibility and a comfortable feel
Ergonomic new forefront boot shape is streamlined to better control and feel of the motorcycle controls
Thermoplastic Polyurethane (TPU) shin plate protector is race-developed for superior impact and abrasion resistance
Lateral Thermoplastic Rubbery (TPR)-injected ankle support construction provides superior comfort and impact resistance
TPU double-density ankle protectors are layered under the boot outer on the lateral and medial sides
Breathable textile interior lining features anti-sliding suede reinforcement at the heel area
Inegrated, replaceable bi-injeted TPU slider features new screw-on fastening system
Shift pad made from TPU incorporates technical texturing for grip and impact resistance
Medial side entry opening/closure system features elastic-mounted zipper and wide hook-and-loop closure flap
Internal toe box protection is layered under the boot upper for durability, improved feel and better performance
Removable dual-compound anatomical footbed is made with EVA and stretch fabric
Rubber compound sole