This poly/cotton sleeveless shirt is lightweight and breathable. It is double stitched in all the right places for comfort and durability.
Size small fits dogs 3-6 lbs (9" neck, 10" length, 13" girth).
Size medium fits dogs 6-10 lbs (10" neck, 12" length, 16" girth).
Size large fits dogs 10-14 lbs (12" neck, 14" length, 18" girth).
Size X-Large fits dogs 14-20 lbs (13" neck, 16" length, 20" girth).
Size XX-Large fits dogs 20-25 lbs (14" neck, 18" length, 22" girth).
Size XXX-Large fits dogs 25-35 lbs (18" neck, 20" length, 24" girth).