This Spearfishing Weight Harness Belt is compromised of black strong cordura nylon and heavy duty strap harness - you can easily distribute those extra weights when and where they are needed. Pockets across the belt and back of the harness open out to allow the use of up to 30 x 1 lb (500g) flat weights in the M-L size vest and 34 weights in the L-XL vest. This allows you to place up to 15-17kg of weight around the vest. It is simple to add or remove weights from the pockets and when folded, they are securely held in place with velcro. Velcro feed through shoulder straps and quick release waist clip allow easy and quick removal of the harness when necessary. Comes with a feed through elasticised textured rubber belt for holding the harness in place on your body. The Spearfishing Weight Harness Belt is adjustable at the waist and shoulders.