MSR Lightning Snowshoes - Women's Designed for Women: Lighter and narrower than Lightnings, these snowshoes are specially engineered for a woman's stride. Unrivaled Traction: Total-Traction frame delivers unprecedented 360-degree grip. User-Friendly: Step-on binding fits a variety of boots and is fast, secure, and easy to use. Stable Support: True Hinge steel crampon enhances foot stability and minimizes heel drift, resulting in more efficient gait mechanics and less expended energy. All MSR snowshoes have lifetime warranty.