Designed for use with the Navy MK-21 rebreather Integrated Dive Vest Includes bailout tank backpack Includes two Clinch Straps (ATD TCS100T & ATD TCS100B) for the attachment of bailout tank Includes two weight pockets allowing up to (3) 5-lb weights per side Includes adjustable length chest strap Includes Jock Strap Adjustable length shoulders straps with two stainless steel adjusters 2" nylon webbing - made in the USA 18-8 stainless steel rivet construction Two 2" 304 grade stainless steel D-rings at waist Two 2" 304 grade stainless steel D-rings at closure One 2" stainless steel lifting D-ring Does NOT include Cylinder & Weights Stainless steel tag with permanent attachment by rivets includes: Manufacturer: Atlantic Diving Equipment Made in USA Size Date of manufacture MK-21 Integrated Dive Vest Size Chart