Muck Boot Neoprene Boot-Scootin Bootie Neoprene Made in China Rubber sole Lightweight 2 mm neoprene construction is soft and flexible for baby's feet Soft faux fur lining for extra warmth; comfort rated from subfreezing to 65 F/18 C High density outsole print Custom baby fit is specially designed to accommodate little feet Slip-on style with easy closure and convenient pull tab