Black boot upper is made from PU-coated leather with a high suede leather medial panel for superior grip
Brown boot upper is full-grain oiled leather
Front and rear boot bellows made with lightweight microfiber for increased durability and abrasion resistance
Rear reflective insert for improved visibility
Extended PU-coated front leather gaiter helps keep out water and dirt
Rear gaiter has rubber insert for flexibility and comfort
TPU shin and calf plate offer support and resistance to impacts
Biomechanical lateral flexi-blade boot system provides excellent front and rear movement while offering support and protection to the ankle
TPU shift pad is made with a technical texture for added grip; foam padding on bottom of the shift pad provides better comfort
Wide entry aperture for convenience with hook-and-loop upper closure flap that allows a wide range of adjustment for an excellent fit
TPU double-density ankle protector on medial side for protection
Boot closure system includes two polymer ratchet buckles with memory feature and quick-release locking system that is self-aligning for easy, precise closure
All boot buckles are replaceable
Soft foam surrounds the ankles and collar for comfort and shock-absorbing performance
Drystar membrane layer between boot upper lining
Toe box and heel counter reinforcements layered under the boot upper
PP insole with steel shank is co-injected for excellent feel and safety
Alpinestars exclusive vulcanized rubber compound for optimal comfort and grip
Replaceable anatomical EVA footbed with Lycra lining on top