The Stohlquist OSFA PFD has adjustable shoulder and side pulls to fit a wide range of paddlers. The cross-chest cinch harness means zero ride-up while kayaking. The higher mesh back design increases comfort, ventilation, and clearance for even the tallest seat backs. Great, all-around design, built for families and paddlers of all shapes, sizes, and ages US Coast Guard-approved Type III lifejacket One size fits (almost) all Higher mesh-back design offers increased clearance for tall seat backs Highly adjustable shoulder & side pulls Cross-chest cinch harness reduces ride-up for more comfort Open sides for maximum ventilation Convenient strap packets hold excess strap ends Extra webbing strap pockets help eliminate the danglies Full front zipper for easy on & off Rugged nylon shell and inner lining Made with PFAS chemicals.