Add snow and ice traction to any pair of shoes with these slip-on, stowable traction devices. The All Purpose stretch to fit over footwear for a snug and contoured fit. Special compound and form-ftting design retains elasticity in all temperatures to fit almost any footwear. Wide, thick heel straps give dependable grip, durability, and long wear. Bi-directional tread with diamond pattern provides excellent traction, push-off, and lateral grip. OSD size fits larger boots and pack boots.