Due North Traction Aids fits snugly over boots and shoes and provide an extra grip to workers frequently transitioning from outdoor to indoor surfaces without causing any damage. The specially designed treads channel water away to deliver enhanced traction on wet and icy surfaces, with 22 patented hi-viz chevrons per pair that are strategically placed to increase grip and reduce the risk of slips and falls. Additionally, the easy on-off pull tab provides quick adjustment. Ideal for indoor/outdoor use including applications in food production, warehousing, delivery, construction, first responders and more. The natural rubber material with a proprietary polymer blend maintains flexibility up to -65°F and can be worn while driving, climbing ladders, and walking on grates. Application: Indoor Surfaces|Outdoor Surfaces, Colour: Black, Euro Sizing: 36-43, 44, Gender: Unisex, Grip Type: High-Visibility Chevrons, Inner Lining Grip: Diamond Knurling, Material: 100% Natural Rubber, Men's UK Sizing: 3.5-9.5, Men's US Sizing: 4-10, Special Features: Flexible up to -65°F/-18°C|Slip-Resistant|Spikeless|Waterproof, Spike Type: Molded In, Style: Full Coverage, Tread Pattern: Proprietary Tread, Traction Attachment Style: Pull-On, Women's UK Sizing: 2.5-8.5, Women's US Sizing: 5-11, Number of Chevrons per Pair: 22.