Clean and contemporary design lines, advanced anatomic profiling and excellent comfort features set the lightweight, CE certified S-MX 3 Boot apart. Conceived by Alpinestars’ performance footwear department to incorporate an innovative buckle closure system and classleading protection, the S-MX 3 offers critical performance edge on road or track.

• The main upper material is microfiber.
• Front and rear accordions made by lightweight microfiber that offer superior comfort.
• External TPU protection on the outer ankle and heel counter from impact while abrasion.
• Medial side is protected by an inner TPU ankle disk double density.
• High modulus TPU injected: shift pad , Heel counter, Medial strap and Lateral Ankle Buckle holder.
• New integrated replaceable bi-injected TPU slider with a new screw fixing concept.
• Combination medial zipper and Velcro on medial side and additional closure adjust by Velcro in the Lateral top collar.
• Instep closure system made by slim buckle with aluminum arm with micro closure regulation.
• Internal toe box reinforcement layered under the microfiber.
• Breathable textile lining with anti-sliding microfiber suede on the heel.
• Removable anatomic EVA foam footbed.
• Alpinestars exclusive vulcanized rubber compound sole.
• The SMX-3 boot is CE certified to EN 13634:2010.