The waterproof and breathable SPORTTEK ™ hanger with microporous RainTek ™ technology has a light weight and is easily packaged. With pockets with an increased pocket size, 13 pocket pockets for zip storage and wings, a foldable rod holder and zipper. Calibration advice: XL has a 52-inch chest and 22 inches down. The 2XL has a 56 "chest and 22.5 inches down." The large dimensions are huge, with 4X having a length of 66 "chest 27" and 6X with 74 "/ 28" .This is a marsh vest and is designed for short ... no one loves a raw waistcoat!