Mares Bolt SLS Dive BCDMares Bolt SLS BCD The Mares Bolt SLS BCD is a streamlined back inflation buoyancy compensator designed for divers who want optimal trim, freedom of movement, and dependable comfort. Combining a lightweight, travel friendly build with durable materials and Mares Smart Lock System (SLS) integrated weights, the Bolt SLS delivers stable buoyancy control for both local diving and destination travel. Engineered for efficiency and ease of use, the Bolt SLS