Built for demanding users in severe environments, the exclusive Hydrostatic Inflator Technology (HIT) reliably inflates automatically (manual backup) in four or more inches of water, and won’t inadvertently activate in rain, spray or humidity. Patented SecureZip™ closure stays closed during rigorous activity and opens effortlessly upon inflation. Soft neoprene Comfort Collar™ is so comfortable, you’ll forget you’re wearing a USCG-approved Type-II/Type-V Commercial PFD. Heavy-duty coated nylon for increased durability. Made in USA. Adult size: Universal (30"-52"). Color: Red.