600 denier ripstop waterproof poly outer shell with 158 gram poly fill. Breathable 210 lining. Double buckle front, adjustable belly-wrap with quick-grip closures and cut out for tail. Shoulder gussets allow freedom of movement. Size in inches(base of neck to base of tail): Extra extra extra small (6-8), extra extra small (8-10), extra small (10-12), small (12-14), medium (15-18), large (19-23), extra large (24-27) and extra extra large (28-32).