CELAVI Thermal Wellies - Embossed Pink 33 These thermal wellies are perfect for keeping your child's feet warm and dry in cold weather. They are made from waterproof material and have a rough structure on the bottom for good grip. The boots are lightweight and have visible reflexes for added safety. CeLaVi. Inner lining: 100% polyester. Upper: peva 100% polyurethan. Upper lining: 100% polyester. Insole: foam with polyester. Outsole: peva. Waterproof. Removable insole. EUR 42.95 1