Get a grip on ice and snow. Engineered in rugged, glow-in-the-dark thermoplastic with ground gripping steel studs, these stretch-on second soles enhance traction and night-time visibility to make winter walks and hikes safer and easier. Ultra durable, they're extra resistant to cold and rinse clean under the tap or hose. Ultra light and highly elastic, they slip over most shoes or boots with no cumbersome straps, laces or fasteners to trip you up. Un-sized to fit men's footwear sizes 8-12.