Think of ICEtrekkers Chains as tire chains for your feet perfect for all snow conditions including packed and crusty surfaces. The durable links are individually TIG welded and made from case hardened steel. The unique ladder pattern under the ball of the foot combined with the triangular pattern on the heel provides stable footing and is comfortable for extended wear. The hearty rubber slings are flexible in subzero temperatures and stay securely on the footwear even in deep snow. They are easy to put on and take off yet fit snugly and stay on without the need for additional straps. When wearing with regular boots add one shoe size for insulated boots add two shoe sizes.