Harness Coats Sizing Chart

 Size Back Length Chest Size Neck Size Weight (pounds)
X-Small 8.25 inches 10 to 13 inches 8 to 10 inches 3 to 5
Small 9.5 inches 12 to 16 inches 11 to 13 inches 6 to 10
Medium 11 inches 15 to 19 inches 13 to 16 inches 11 to 15
Large 13 inches 18 to 23 inches 17 to 19 inches 16 to 25
X-Large 17 inches 22 to 26 inches 21 to 24 inches 25 to 40
2X-Large 20 inches 26 to 33 inches 22 to 26 inches 45 to 60