Alpinestars supermoto boot. Unique, (recommended) specifically developed, replaceable, three-pieces Supermoto outer sole. Fixed, one-piece, main area for rigidity and structural strength. Replaceable heel and front outer foot sections for sliding and wear resistance fit absolutely flush with the fixed sole to create a smooth, uninterrupted surface.  The replaceable heel and toe sections are formed with a specially developed rubber compound and are affixed to the boot with mechanical grip tabs and steel screws with a washer and raised screw head protection to ensure the screws and assembly are not damaged by wear and impacts.  Features  * Full-grain leather with impact and abrasion resistant PU shell for unmatched levels of safety. * Closure system features 4 aluminum buckles with memory settings and a quick release/locking system with self-aligning design for easy, precise closure. * TPU protects toes, foot, ankle and lower leg from serious impacts. * Contoured calf protector plate is injected with PU for high impact protection. * Toe box area utilizes a unique dual injection process which offers greater flexibility and comfort. * TPU rubber gaiter at the top of the boot effectively seals out elements. * Dual compound toe-box for improved flexibility and increased impact protection. * Inner side of the boot specifically designed with dual compound PU for improved grip. * Achilles flex zones for superior comfort, control and support. * A vented version is also available for summer riding/racing. * The TECH 7 SUPERMOTO boot is CE certified.