The Mares Pure BCD is comfortable and reliable. It has the latest SLS integrated weight system with a max capacity of 40lbs for all sizes XS-XL. Includes smart trim weight positioning for optimal comfort and buoyancy control. Maximum adjustability waist and shoulder straps. Comfortable and stable back buoyancy BC with 18kg lift (40 lbs) Streamlined Swivel shoulder buckles SLS weight system Visual confirmation of proper weight pouch insertion Smart trim weight positioning Roll-down cargo pocket Waist strap allows maximum adjustability Customizable and travel friendly Monoplate backpack fits single or double tanks Personalizable label on weight pockets