Dryshod Youth Sport Insulated Waterproof Boots - The Tuffy Kid's Boot is an All Season Outdoor Kid's Sport BootRugged protection for active kids! Comfort and stability for all-day play! 100% Waterproof 5mm DENSOPRENE foam insulated bootie HYDROKOTE water repellent 4-way stretch breathable airmesh lining Easy on/off Roll down calf pipe Genuine natural rubber overlays Convenient back-pull tabs Comfort range: -10degF to 75degF