Create a new childhood memory jumping in mounds of snow with the Columbia(R) Kids Powderbug Forty! Waterproof synthetic leather and nylon textile upper. Seam-sealed construction offers a secure wear against the elements. Hook-and-loop closure with a bungee lacing at top to keep snow out. 400g insulation keeps your kid's feet warm. 6mm washable felt liner is made from recycled materials. TechLite(TM) cushioning midsole. OMNI-GRIP(R) Advanced Traction offers grip and stability on various surfaces. One-piece injected molded TPR outsole. Comfort rated -40^0F/-40^0C ※掲載の寸法や重さはサイズ「4 Big Kid, width M」を計測したものです. サイズにより異なりますので、あくまで参考値として参照ください. Weight of footwear is based on a single item, not a pair. 実寸(参考値): Weight: 約 430 g Circumference: 約 29.21 cm Shaft: 約 18.41 cm