Brand: MumianModel: G03Colour: BlackMaterial: 65 Neoprene・ 30 Polyester・ 5 NylonSize: M・ for The Chest 70-100CM; L・ for The Chest 90-110CMAPPLICABLE: Orthopedic Body・ Can Improve The Humpback Status.Features:1. According To Ergonomic Design・ Elastic Ribbon Comfortable And Soft・ Shoulder Strap Part of The Use of Soft Gasket Package Complex.2. Through The Band To Produce A Backward Pull・ So That The Back of The Shoulder・ And Then Make The Back Straight;3. Can Be Adjusted To Relax・ Comfortable And Convenient To Wear・ Good Ventilation・ Durable・ Light Weight・ Strong Structure・ A Higher Fit.