Trunkk back brace support vest. The Trunkk vest is designed to give the wearer the ability to have back support at any time. The back brace is held in a special pocket in the inner lining of the vest for when it is not in use.The Trunkk vest also has large interior pockets that are supported by the brace making it easy to carry heavy items like water bottles and other gear without wear on your shoulders the weight of the gear is carried on your hips like a good backpack would do. Great to wear at any time easy to use back support. Patent pending. Trunkk back brace support vest.