When you have the best fitting series of life jackets available-can you draw parallels to a major entity? No, it doesnât have any correlation to the life jacket itself-but it helps feeds our Coast Guard Approved egos. Features•Oversized Arm Holes•2 Way Stretch•Manhattan Tailored Fit•Longer Torso•Water Resistant•Cylindrical ConstructionSize ChartSmall - 31-34â ChestMedium - 34-37â ChestLarge - 37-40â Chest1X-Large - 40-43â Chest2X-Large - 43-46â Chest3X-Large - 46-49â Chest4X-Large - 49-52â Chest Made of 2-Way Stretch Neoprene for Comfort Available Sizes: S, M, L, XL, XXL, XXXL, XXXXL | Men's Megacorp Capella 3.0 Life Vest