Attributes . 6 Tungsten Carbide Due North(R) Ice Diamond(TM) Spikes are Integrated Into a Proprietary Rubber Tread Design for Improved Traction, Enclosed Toe Area for Secure Fit, Preformed Molded Construction for Better Fit, Ease of Putting on and Increased Comfort, Solid Traction Pad Prevents Snow/Ice Build-Up Between Traction Aid and Footwear, Textured Lining Helps to Prevent Movement and Slipping on Sole of Shoe/Boot . Names