This is the Mares Magellan BCD Travel Jacket Integrated Ballast SystemThe main features of the Magellan Travel Jacket are: The true travel jacket: extremely lightweight Integrated quick release ballast system Optional trim weight system (to be placed on the tank strap) Foldable without a hard backrest Backrest with eyelet on strap for easy adjustment 1 roll-up pocket Ergonomic concave shoulder straps ( patent pending): more comfortable on the chest/shoulders area Perfect for female divers The Mares Magellan BCD is a genuine travel Jacket. It is extremely light and completely foldable thanks to the absence of a rigid backrest. Equipped with ergonomic concave shoulder straps that improve comfort in the chest/shoulder area. Integrated ballast system with quick release.