Alpinestars Drystar technology is used on the inner bootie for moisture permeability, breathability and durability, and 100% waterproof performance. The ‘Enduro’ spec dual compound sole is seamlessly integrated to the multi-density foot base structure with built-in support to offer superior durability, grip and feel while riding, and enhanced performance on the shifter. Expanded calf adjustment range for an optimized fit. Softened front foot flex zone for enhanced mobility, on and off the bike.CONSTRUCTION Features a PU-reinforced microfiber upper for flexibility, abrasion resistance, water-resistance and weight-saving, and this material ensures a consistent fit while being easy to maintain and clean. The buckle closure system incorporates polymer buckles combined with a high impact aluminium frame for durability and weight saving. The buckle system features a quick release/locking system with self-aligning design for easy, precise closure and improved riding performance and security. Medial and lateral dual pivot system, optimally positioned for enhanced flexibility and precise control. Extended microfiber gaiter helps seal out excessive water and dirt entry. PROTECTION Extensive TPU protection on the toes, foot, heel, ankle, calf and shin, with extra durable compounds on the toe box and heel to bolster impact resistance further. Contoured shin and ankle protectors for excellent levels of impact and abrasion resistance. Soft reinforcements on the ankles for long lasting comfort and shock absorption. The front flexion is supported and enhanced with a progressive design, featuring shock absorbing inserts into the front bellow for optimum performance. Medial facing side incorporates TPU panel with specially designed sculpturing for maximum grip contact with bike and improved heat and abrasion resistance. The Tech 7s boot is CE certified to EN 13634:2017.