The Stohlquist Trekker PFD is designed with cool mesh lower half on the back side to fit comfortably above the backrest of your kayak. With an easy front zipper entry, adjustable padded shoulders, and roomy zipped front pockets, the Trekker is perfect for those hot days on the water! US Coast Guard Type III Approval Higher mesh-back design offers increased clearance for tall seat backs Ergonomic Wrapture shaped torso Graded sizing fine tunes each size for the best fit and comfort Cross-chest cinch harness for zero ride-up Wide adjustable webbing shoulder pulls Non-corroding full length front zipper with entry grip tab Ventilated shoulder & back pads 4-way accessory lash tab on back 3M reflective accents front & back Large zippered pockets Open sides for ventilation