Yaktrax Pro is designed for those with a more active lifestyle. Designed for traction and safety while walking, jogging, or running on packed snow or ice. Makes it possible to enjoy outdoor activities or continue athletic training with the same stability as on dry surfaces. Provides 360 degrees of traction. Spikeless, ultra-lightweight design, built to last. Constructed of 1.4mm high-strength, shaped edge steel coils that are abrasion resistant and contain 70% recycled content with natural rubber webbing. Brittle-resistant to -41 degrees Fahrenheit. Material has no memory, returns to original shape when removed from footwear. Elasticity of material ensures ease of use when attaching to shoes.