• NEW BUCKLE CLOSURE SYSTEM: New system allows for easy and rapid in/out, plus a secure and highly personalized closure. The buckles are made from durable TPU and glass fibre reinforced Nylon compounds for greater performance and weight-saving. All buckles include a micro-ratchet memory system and quick-release/locking for a quick, safe and precise closure. All buckles are replaceable.
• Wide-entry aperture opening of easy in and out, plus secure upper TPR and Velcro® closure system to allow for a wide-range of calf fit adjustment.
• Midsole constructed from molded PU foam to make the boot bottom lighter without compromise performance.
• Highly flexible sole thread features Alpinestars' exclusive vulcanized rubber compound for the optimal combination of comfort and grip.
• Removable anatomic foot-bed includes EVA foam and Lycra® for comfort and support.
• Ergonomic shaping for forefoot streamlining to enable greater control of the bike's controls and for superior fit and comfort, wide-ranging foot profile.