The Hillsound(R) Trail Crampon adds traction when hiking or ice fishing. These attachments can handle diverse winter terrain and weather conditions. An ergonomic plate system allows for ideal traction on the crampons to help reduce muscle fatigue. FEATURES: 1.5 cm spikes grip ice and packed snow Ergonomoic plate system for added spike stability Hinged plate flexes with the sole Rip and stick over-shoe strap keeps device secure on shoes Elastomer harness easily stretches over most footwear Spike Material: Heat-treated Carbon Steel Spike Length: 1.5 cm 11 Spikes Chain Material: Stainless steel Harness Material: Elastomer Weight (pair): 16.3 oz.