Perfect Solutions Ice Traction Slip-Ons - Large, Black, One Size, Stretch-On Traction Footgear For Ice And Snow Reduces the risk of slipping or falling while walking on ice/snow Engineered with rugged thermoplastic and ground-gripping steel studs Stretch-on second soles add traction to make winter walks and hikes safer Ultra-durable, they're extra resistant to cold and rinse clean under the tap or hose Fits men's shoes/boots sizes 8-to-12 and women's shoes/boots sizes 91/2-to-13