The Doggy Dickey Fleece Neck and Chest Warmer for Large Dogs, Large, Safety Orange Chest size 20.5-25.5 Inch Example breeds: Bull Terrier, Bulldog, Pit-bull, Lab mix, Poodles Fits over harness or collar & under any coat Perfect for thin coated, small & senior dogs who easily become cold Neon color visible in low lighting and woods for hunting safety