This heavyweight blanket is made of a 1200 denier waterproof ripstop  poly outer shell with a 210 denier lining and 250 grams of poly fill. It  features the Tough1® adjustable Snuggit™ neck which allows for a more  custom fit. Other features include: fleece wither protection, crossed  surcingles with elastic ends, adjustable and replaceable leg straps with  elastic ends, double buckle front closure, tail flap that reduces tail  breakage, and shoulder gussets that allow freedom of movement.