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. The protective Columbia® Kids Powderbug Forty boots will help them trek across the slush and snow this season. These 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. 400g of insulation ensure a comfort rating of-40°F/-40°C. Comfort rating -25°F/-32°C. Imported. Product measurements were taken using size 5 Big Kid, width M. Please note that measurements may vary by size. Measurements: Weight: 1 lb 6 oz Shaft: 7 1⁄2 in View Zappos.com Glossary of Terms Columbia Kids Powderbug™ Forty (Toddler/Little Kid/Big Kid)