DESIGNED TO STAY ON: No matter how much your little one wiggles, Goumiboots will stay put. We use a signature two part closure system that ensures your child can't remove their boots. ORGANIC, SOFT: Our machine washable booties are 70% bamboo derived viscose and 30% organic cotton. Goumi uses only the best and most innovative materials. ADJUSTABLE FIT FOR STAGES OF GROWTH: Goumiboots are adjustable through up to 3 months of growth. You have enough to worry about. With Goumiboots, you won't have to worry about replacements. PERFECT YEAR ROUND: These booties are so breathable, they are perfect for every season. They will keep your little one warm in the winter and cool in the summer. SUPER GRIPPY: For babies 6 12 months old, our boots have extra grip on the soles to keep your little one's feet firmly on the ground. Your little one moves fast keep them safe when they're on the go.