G4free Strap Type Crampons Ski Belt High Altitude Hiking Slip-resistant Crampon Crampons ONLY, shoes displayed in pictures are NOT included. Crampons are designed to use in hiking on even ice road or glaciers below the elevation of 3000M;do not use it for ice climbing or high altitude above 3000M. Walk with renewed confidence on icy trails and sidewalks with these durable crampons. They're also a great choice for ice fishing. Weight: 908g / 2.0lb; Suitable for shoes size between 32 and 50 Material: High density manganese steel, plastic, nylon