MSR Lightning Ascent Snowshoes Serrated Total-Traction frame delivers unprecedented 360-degree grip. Elevator heel lifter reduces calf fatigue, making climbing easier and more efficient. 3-strap step-on binding fits a variety of boots and is fast, secure, and easy to use, and lightest snowshoe in its category. True-Hinge steel crampon enhances foot stability and minimizes heel drift, resulting in more efficient gait mechanics and less expended energy. Materials won't soak up water and freeze; straps remain easy to use in all conditions