Kayak fishing can get hot! With our patented Airescape technology, anglers now have an option to be cool while staying safe. This vest is designed for the serious angler who appreciates minimalism and high performance. Measure your chest and find your size. Small/Medium: 31-37? Medium/Large: 38-44? Large/X-Large: 45-51? Features: BREATHABLE: Airescape patented system eliminates excessive heat and maintains a comfortable temp so you can breathe easy and stay cool; The ventilated 2/3 mesh back integrates with high seatbacks DURABLE LIGHTWEIGHT: Made with 400 x 200 Denier Ripstop Nylon shell with breathable Polyester Mesh liner; PolyPro webbing, heavy-duty Acetyl hardware and zippers with self-locking teeth BUILT FOR FISHING GEAR: 2 large mesh pockets, an external pocket for a folding knife, clipping points for line nips and retractors, pliers holster and lashing point on the back for a white light MADE FOR SAFETY: Features PE and EVA foam inserts with a buoyancy rating of 16 lbs so you can stay afloat if you end up in the water; USCG Type III Approval; Weighs only 1.37 lbs NATURE FIRST: Our entire line of PFDs is made from non-toxic foam that?s recyclable and super soft; We put nature first by reusing and recycling as much as possible Package Includes: 1 Fishing Life Jacket Listing and template services provided by inkFrog