Alpinestars exclusive lasting process creates an amazing fit throughout the full-grain leather upper
Redesigned flex panels at the top of the boot for greater flexibility
New extended instep and Achilles flex zones for superior comfort, control and support
High-modulus TPU-injected shin and calf protector plates offer a high level of impact and abrasion resistance
External bio-mechanical upper boot articulation with a vertical sliding blade system in the shin and calf to offer more flexibility on the front and rear flexions with continuous support
Stamped inner calf suede panel supplies grip and protection
Closure system features four aluminum buckles with memory and a quick-release and locking system with self-aligning design for easy, precise closure
New, alternated reverse buckle closure design for superior fit
TPU soft gaiter at the top of the boot to seal out the elements
Breatheable Cambrelle lining reduces heat buildup
Patented removable and fully perforated inner leather boot creates a precise fit, and features asymmetrical gel ankle protectors and a removable anatomical footbed
Sole is constructed with contoured stitching, a stamped steel heel guard and stainless steel sole guards
Dual-compound sole has replaceable, durable insert positioned in the center of the sole
White model features a new ventilation system for excellent air circulation