The S-1 is a fantastic entry-level sports boot, with removable plastic toe slider, 360-degree heel cockpit, shin, and ankle protectors this boot is a truly fantastic value sports boot. Suitable for any form of riding you encounter. Armor: CE Certification Rating: 2221. Heel TPU protection. Shin TPU protection. Ankle TPU protection. Construction: Outer 1: Microfiber. Outer 2: Leather. Mesh lining. SinAqua waterproof membrane. Features and Benefits: Twin rear exhaust vents. Hook-and-loop zip closure. Shift pad. Polycarbonate anti-twist midsole. Toe slider. Dual-density insole. Dual-density outsole. Fit Profile: Race.