73457 Bogs Kids' Classic Seamless Marble The Kids' Classic Seamless uses the same innovative manufacturing process as the adult models to create a more durable cold-weather and waterproof boot for your little one. Molded without seams between the outsole and the upper, the Classic Seamless eliminates traditional failure points where boots tend to crack or leak, making them the perfect new boot or an exceptional hand-me-down. The lightweight design uses a robust Neo-Tech upper to protect their little legs from the cold or rain, while an internal nylon shank and the BOGS Grip outsoles keep them steady while they're running through the snow, trudging through the mud, or splashing in puddles. These Classics were made to go the distance at any age. Features 100% waterproof seamless construction eliminates failure points for unmatched durability and reduced weight 5mm Neo-Tech upper provides medium-weight and waterproof comfort Nylon jersey lining with Max Wick coating provides all-day comfort Internal nylon shank for flexible support and stability BioBased comfort insole plus DuraFresh for responsive support and odor control BOGS Grip outsoles feature tried-and-true rubber for excellent all-purpose traction Aggressive, self-cleaning tread with rounder edges for muddy conditions—built for farms, gardens, and fields Comfort ranges from -30°F to 70°F (-34°C to 21°C) for cold-weather warmth and three-season wearability Little Kid Sizing: 10 - 13 Big Kid Sizing: 1 - 7 Kick-off heel lug provides hands-free, easy-off boot removal PFAs free materials limit environmental impact and meet regulatory compliance