Product details:

Alpinestars SMX-1 R Vented Boots (Black/White 43 Black) - The main upper material is synthetic microfiber for greater comfort, durability and abrasion resistance. Perforated microfiber on lateral calf and toe plus perforated zone on medial side for enhanced ventilation. Front and rear accordions are made with breathable mesh for enhanced ventilation and more comfort. Same S-MX 6 ergonomic shaping for forefoot streamlining which enables greater control of the bikes controls and offers a superior wideranging foot profile for better fit and comfort. Lateral adjustable closure system envelopes around the front accordion for a secure closure and fit coupled with hook and loop tab. The strap is located on the medial side of the top of the boot for secure fast fastening with a TPR terminal strap for an easier prehensility. Zip closure is covered with microfiber to protect bike from zipper scratches. Hook and loop tab locks the zip pull closed, keeping it flat and secure. New TPR design on medial side to protect the ankle panel. New TPR design on lateral toe box gives more flex and comfort. Rear TPR Silver insert joined with the heel counter ensures additional support and security. Double density ankle protector on medial side layered under the upper offers protective performance and abrasion resistance in key area. Integrated replaceable TPU bi-injected slider features new easy screw fixing concept. High modulus TPU injected heel counter and shift pad for enhanced structural protection. Internal toe box is layered under the upper. Exclusive rubber compound for an optimal combination of comfort and grip. Removable anatomic EVA footbed with Lycra lining on top. SMX-1 R vented boot is CE-certified to Cat 2. CE-certified to 89/686/ECC EU Directive.