The Mares Bolt SLS BCD is a back-mounted scuba diving buoyancy compensator device that is designed to be lightweight and travel-friendly. It has a buoyancy of up to 18.5 kg and is available in five sizes. The Bolt SLS BCD has six stainless steel D-rings for accessory attachment and is made from 420 Cordura material. It also has an unfoldable pouch, adjustable ventral strap, and SLS ballast system. The Bolt SLS BCD is available in sizes X-Small to X-Large.