This is the Innovative Jacket Style Snorkeling Vest with Pocket Features: Neoprene style cummerbund Neoprene back panel 210 denier urethane coated nylon vest baffles Sewn-in pocket 5 x 5" We incorporate a neoprene style cummerbund with a neoprene back panel to the 210 denier urethane coated nylon vest baffles. The combination produces a vest that is comfortable to wear, stays in place, and looks great! We also designed a 5 x 5-inch pocket on the back of the vest to hold waterproof valuables (or valuables sealed in Innovative Scuba 200&'; rated dry bags).