The protective Columbia Kids Powderbug Forty boots will help them trek across the slush and snow this season. The insulated slip-on boots are designed in a waterproof nylon upper with a seam-sealed bootie. Create a new childhood memory jumping in mounds of snow with the Columbia Kids Powderbug Forty! Water- and wind-resistant nylon upper. Pull-on design features an adjustable hook-and-loop ankle strap, toggle closure at the collar, and a removable 6mm felt liner. A lugged rubber outsole provides additional traction and grip. Comfort rating -25 degreesF/-32 degreesC. Imported. Measurements: Weight: 15 oz Circumference: 11 1 2 in Shaft: 7 1 4 in Product measurements were taken using size 4 Big Kid, width M. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.