PosiLock AT Binding System, our most aggressive and secure. The two-piece design solidly conforms to any footwear. * 5" Modular Floatation tails are now compatable with 360 degree traction frames of our Lightning snowshoes. Not compatible with pre 2010 snowshoes. * Ergo Televator saves energy on the steeps with an all new, high-clearance design engages easily with a siple flick of your snowshoe pole or gloved hand