SpeedLock Binding System, our most comfortable, easiest and adaptable binding. It secures with a single strap and an optional instep strap can be added for absolute control in challenging terrain. * Axis gait efficiency technology is 8 degrees of customizable, bilateral adjustment that compensates for typicaltoe-in/toe-out positions, allowing easy stride with parallel snowshoes regarless of natural variences in gait. * 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