High-back design and mesh lower section integrate seamlessly with fishing and sit-on-top kayaks. Center buckle closure with adjustable sides and shoulder straps let you customize the fit. Back shoulder attachment points let you hang a fishing net, small pouch or other outdoor essentials. Front storage pockets; handwarmer pockets behind front storage pockets help you stay warm. Includes in-pocket key clip and tethered safety whistle for signaling. Hat hanger loop behind your neck lets you secure your sun hat. Reflective trim helps you stay visible in low-light conditions. Fits Chest Sizes; M/L: 36-46 inches XL/XXL: 46-56 inches XS/S: 30-36 inches.