When you have the best fitting series of life jackets available-can you draw parallels to a major entity? No, it doesnt 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 - 31-34 ChestMedium - 34-37 ChestLarge - 37-40 Chest1X-Large - 40-43 Chest2X-Large - 43-46 Chest3X-Large - 46-49 Chest4X-Large - 49-52 Chest | Ronix Men's Megacorp Capella 3.0 Life Vest Large | The House