a Mesh ventilation in front and back for breathability a Mesh panel in back to accommodate most canoe and kayak seats a Shoulder adjustments with neoprene comfort pads a Adjustable side belts a SOLAS grade reflective material for visibility a Expandable zippered pocket with mesh drainage a Lash tab for small accessories a Marine whistle included a Nylon ripstop outershell a U.S. Coast Guard approved and Transport Canada approved