This is the Hollis HD-100 Heavy Duty 1000 Denier Cordura Scuba Diving BC/BCD

Features:

• 35 lbs bladder S & M sizes / 45 lbs bladder L & XL sizes
• 1000 denier CorduraTM w/ PU lamination outer shell & 15mm urethane internal bladder
• Contoured, lightweight backpack w/back pad, lumbar support, and a rolled neoprene comfort neck
• 10lb (4.5kg) interchangeable quick release weight pockets
• 5 lb (2.27kg) non-dumpable rear weight pockets
• System weight: 9.4lbs (4.3kg)
• 2 shoulder stainless steel bent D-rings, 2 lower hip D-rings, and 4 rear stainless steel D-rings (for canister lights, dry suit inflation bottles, reels; etc…)
• Adjustable sternum strap w/2 chest mounting locations
• Adjustable shoulder straps w/quick release buckles
• Large zippered pockets on both sides
• Knife mounting grommets on both side pockets
• Right shoulder pull dump
• Lower left pull dump
• Adjustable Velcro cummerbund (removable)

Comfort, function and durability. The HD100 is everything the advanced sport diver could ask for. Fitted with a combination of Tech/Rec features that provide ultimate comfort and function. Heavy duty construction and innovative design make this BC the best in class.