In the Ursuit Descent jacket BCD made of durable materials, you will find everything you expect from a high-end jacket BCD. Well-padded sturdy backrest, integrated weight pockets, trim pockets, multiply D-rings for attachments, a universal knife holder for most knives, and three manual dump valves. Heavy duty 840D bladder material for superior strength and durability High density 840D PVC fabric and 600D polyester fabric 10# YKK zipper Weight-integrated with quick releasable weight pocket Separate weight pocket has been designed to accommodate various lead sizes. Adjustable cummerbund waistband and shoulder straps ensures snug fit Three stainless steel D-ring on shoulder, two stainless steel D-ring on bottom With three dump-valve, two upper over pressure valves at the shoulders with rapid exhaust feature, one on lower right Dual size knife hold to accomodate almost every knife available Soft back pad for back protection Double tank belts Two rear non dumpable weight pockets, each holds