High-quality racing boots. Nylon inner sole with removable foot bed. Stitch-free and replaceable boot leg. Exclusive and patented flex system with hyperextension block. Replaceable shin plate. Toe area covered with a plastic reinforcement. Robust, shock-absorbing, and anatomically shaped heel protector. Fully adjustable calf area. Micro-adjustable and replaceable buckle system. Exclusively for Husqvarna Motorcycles by Sidi. 78% polyurethane / 7% microfiber / 5% rubber / 4% polyester / 4% nylon. Certification: EN 13634:2017. Made in Europe.