The latest innovative addition to the class-leading range of Tech Boots for motocross and off-road, the Alpinestars Tech 3 incorporates track-proven performances technologies into an anatomically-profiled performer that features protection and comfort. With a durable yet lightweight main shell, the upper construction is made from lightweight microfiber material for flexibility, durability and abrasion resistance. Plus, you get a range of protective features, inside and outside the boot. Alpinestars Tech-3 Details: Light microfiber front and rear bellow inserts improve comfort and flexibility. Toe box is constructed from synthetic material for abrasion performance. Extended polyurethane synthetic gaiter helps seal out excessive water and dirt entry. Full support and resistance to impacts - Contoured TPU calf protector plate, TPU higher medial protector, TPU outer lateral ankle and TPU heel counter.