Traction Device, Footwear Coverage Style Ball, Heel, Upper Material Rubber, Traction Type Stud, 11 in L x 4-1/2 in W x 2 in H, Traction Material Tungsten Carbide, Traction Attachment Style Pull-On, Fits Shoe Size Men’s 9-1/2 to 11 / Women’s 11-1/2 to 13, Blue, Gray, Unisex, For Use on Surface Types Ice, Outdoor