Yaktrax Pro, Extra Large, Women Size 15.5+ & Men Size 14+, Black Traction Shoe, Made With Natural Rubber, Compression Molded, 1.4 Millimeter Steel Coil, Removable Strap, Spikeless/Ultra Light, Easy To Get On & Off & Works On Any Type Of Footwear, 10 Times The Gripping Points As Any Spike Based Traction Device, Designed For The Active User.