Product details:

RUNS SMALL! Avery's top of the line dog parka! The most prominent feature of this vest is the loop-style Grab Handles that allow you to easily assist your dog in climbing into a boat or blind. The sewn-in harness will hold your dog's full weight without fear of tearing the neoprene! A full listing of this product's features include: 5mm neoprene, Sewn-in webbing harness, Exclusive grab handles, D-rings eliminate the need for a collar, 16 cubic inches of closed cell foam flotation, DuraStretch outer fabric - the toughest available, Number 10 molded zipper & cold-weather pull tab, One-inch Velcro for torso adjustability, Neoprene zipper protector, Tapered cut for maximum body coverage, Double bar tacked seams, Glued & stitched. Size Chart: Small (15 Neck, 24 Chest), Medium (17 Neck, 26 Chest), Large (18 Neck, 28 Chest), XL (19 Neck, 31 Chest), 2XL (20 Neck, 33 Chest), 3XL (21 Neck, 35 Chest) The extra thickness and foam in this vest give your dog both extra warmth and buoyancy, making his job a lot easier when conditions are tough. Recommend to go up one size. If dog on larger side of the manufacturers size chart, go up two sizes.