The Men's Coaster PFD is perfect for use with boats that feature a higher seat back, but is right at home in a touring boat with a sprayskirt. A thinner profile provides more mobility and comfort, while reducing interference with today's taller seat backs. Along with providing a great fit, the Coaster also features multiple pockets that will hold a beverage, your sunglasses, and other small items. Thin back design works with all seat styles Graded sizing provides the best fit for different body shapes and sizes whether small framed or large framed Open sides offer ventilation Cross chest cinch harness for zero ride up Mesh shoulders and interior panels for maximum ventilation Adjustable shoulders and dual forward pulls for a custom fit Zippered front pockets for carrying essentials Built in beverage holder and neoprene sunglass sleeve 10 YKK zipper with non corroding slider For sit on tops, the vest can be worn lower on the torso for maximum back coverage against tall seats For touring boats, simply adjust the shoulder straps so that the vest rides higher on your torso, and eliminates interference with your sprayskirt Sizing: Chest Med: 30 40 in. LG: 40 46 in. XL: 46 52 in.