Let your pooch show their team spirit with this classic mesh jersey! Size Chart: Tiny (3-5 lbs; girth: puppy); XX-Small (4-9 lbs, 3-9"girth); X-Small (8-14 lbs, 9-17" girth); Small (12-20 lbs, 18-24" girth); Medium (18-30 lbs, 24-30" girth); Large (28-42 lbs, 28-34" girth); XL (40-60 lbs, 34-42" girth); XXL (58-80 lbs, 36-52" girth).