Check the listing for details. Puppia Soft Vest Step-In Harness for Small / Medium size dogs. Condition: New. Listed at 18.75 USD. Puppia Soft Vest Step-In Harness for Small/Medium Size Dog ColorBeige/ Black/ Brown/ Camo/ Green/ Grey/ Navy/ Orange/ Pink/ Purple/ Red/ Royal Blue/ Sky Blue/ Wine/ YellowSizeXS/ S / M / L / XL / XXLMaterialPolyester 100%FeaturesVest with air-mesh for extra comfortInner filler promotes superior comfortPuppia rubber label embroidered Please measure the thickest part of your dogs chest, right behind your dog's front legs. Chest Girth (*this is actual measurement of product)we recommend you to have at least 1/2" room for comfortable fit. X-Small : 9.5" ~ 10.2" - recommended MAX girth of dog : 9.5"Small : 11.8" ~ 12.6" - recommended MAX girth of dog : 12.0"Medium : 14.6" ~ 15.4" - recommended MAX girth of dog : 14.5"Large : 16.1" ~ 16.9" - recommeded MAX girth of dog : 16.0"X-Large : 19.7" ~ 20.5" - recommeded MAX girth of dog : 19.5"XX-Large : 23.6" ~ 24.4" - recommeded MAX girth of dog : 23.5"