Black Diamond Contact Strap Crampons Envy Green All Sizes. C.E. (Integrated Component Exchange) system which includes a modular heel and toe bail making them compatible with a wide array of boots. The I.C.E system lets you choose between an automatic style toe and heel for your crampon or a strap style attachment system. Rigorously tested by our guide partner RMI guides on glaciated volcanoes from the Cascades to Ecuador and alpine terrain worldwide the stainless-steel construction is ultra-durable extremely corrosion-resistant with no coating or treatments wearing off into the environment. Sharper front and rear points provide improved grip on snow and ice and an updated ABS plate is included. Specifications for Black Diamond Contact Strap Crampons: Manufacturer: Black Diamond Color: Envy Green Package Contents: Black Diamond Contact Strap Crampons Black Diamond BD4000783011ALL1: Contact Strap Crampons Envy Green All Sizes