Alpinestars Stella Tech 3 Boots The latest innovative addition to the class-leading range of Tech Boots for motocross and off-road, the Tech 3 incorporates track-proven performances technologies into an anatomically profiled performer that features protection and comfort. With a durable yet lightweight main shell, plus a range of protection features, inside and out. Specially engineered calf for women. PU-reinforced microfiber upper for flexibility, abrasion resistance, water resistance and weight-saving Material ensures consistent fit and is easy to maintain and clean. Contoured Shin Plate is injected with high modulus TPU for a high level of impact and abrasion resistance. One-piece injected dual compound foot shell with co-injected hard toe protector and integrated steel shank Excellent flexion provided by low profile medial and lateral pivot system to offer movement and support Instep and Achilles accordion flex zones constructed for superior control and support. Extended microfiber gaiter helps seal out excessive water and dirt entry. Soft poly-foam surrounds the ankles and collar for long lasting comfort and shock absorption Internal Mesh textile for improved air circulation and comfort. Buckle system features memory and quick release/locking system with self-aligning design for easy, precise closure and improved riding performance and security. Buckles are easily replaceable CE certified to EN 13634:2010