The lightweight, waterproof Women's ThermoBall Lace Up Luxe Waterproof Boots are secure-fitting, durable and warm boots with ThermoBall Eco insulation and modern details such as oversize hardware and laces. Our waterproof footwear incorporates a variety of advanced waterproofing materials, treatments, and processes. To help keep feet dry, we use internal waterproof membranes and/or adhesive and seam-seal constructions.