These lightweight and durable Boot Spikes from Mil-Tec are made of thermoplastic rubber and non-slip steel grip studs to provide an excellent traction and grip on icy and slippery surfaces. Ideal for hiking, mountaineering and winter sports. Made of thermoplastic rubber Suitable for all common shoes and boots Compact, lightweight and durable Non-slip steel grip studs offer excellent traction Wide loops for easy covering Perfect for icy and slippery surfaces Ideal for hiking, mountaineering and winter sports Materials: Thermoplastic Rubber, Carbon Steel Manufacturer: Mil-Tec Manufacturer's number: 12923002 Mil-Tec Boot Spikes Overshoe Black