ALPINESTARS COROZAL ADVENTURE DRYSTAR BOOTS BRN OILED LEATHER SZ 11 DISPLAY MODEL SALE. The upper is constructed from full grain leather on lower medial panel, both with heat press texture for superior grip. Extended PU coated leather gaiter helps seal out excessive water and dirt entry; rear gaiter includes rubber insert for flexibility and comfort. New closure system includes 2 polymer buckles with an innovative closure system. This closure includes a ratchet with memory and a quick release/locking system with self-aligning design for easy, precise closure. Drystar® membrane layer between upper and lining for proven performance in difficult weather conditions. TPU shin plate and calf plate offer support and resistance for impacts. Bio-mechanical lateral “flexi-blade” system provides excellent front and rear movement while offering support and protection to the ankle. Soft foams surrounds the ankles and collar offer comfort and shock absorbing performance. PP insole with steel shank co-injected for excellent feel and safety. TPU shift pad made with technical texture for added grip plus foam padding underneath for better comfort. Wide entry aperture for convenience with Velcro® upper closure flap to allow broad ranging calf fit adjustment. Alpinestars exclusive vulcanized rubber compound for optimal combination of comfort and grip.