Get instant traction enhancement while walking, jogging or running on packed snow and ice by adding Yaktrax Pro to your shoes or boots. Skidlock coil system boasts abrasion-resistant coils made of tough 1.4mm steel that deliver 360° of traction. Removable performance straps and heel tabs securely fit to your footwear. High-strength natural rubber ensures seasons of dependable use. Works in temperatures as low as -41°F. Imported. Sizes:S(5-8.5), M(9-11), L(11.5-13.5), XL(14+). Color: Black.