Traction Device, Footwear Coverage Style Heel, Upper Material Rubber, Traction Type Stud, 4 in L x 11 in W x 4 in H, Traction Material Tungsten Carbide, Traction Attachment Style Pull-On, Fits Shoe Size Men's 13-1/2 to 15, Women's 13-1/2 to 15, Black, Unisex, For Use on Surface Types Ice, Snow, Outdoor