Aluminum frameworks, quick-locking mechanism, durable, light Allround model, 5 steel points/teeth in front and 2 x 2 steel points/teeth in the back increase the stop to snow and ice shoe size: 36-47, length: 70 cm, width: 21 cm, weight: approx.. 1800 pair of gram suitably for body weight: 50-90 kg , packing bag