XXL About 8" too long, more like a dress, for my lil 55lb pit. Wide on all sides like a loose blouse which would be okay if it fit her caboose. Velcro ends go to her mid back, with no way to attach that far up. Followed guide for chest and neck, shes got a superwide pittie chest for her size but she's short and slender in the back (chest 28, neck 21, back 28). Ill be returning for larges and cutting the neck and arms to fit as needed. XXL neck and arms fit pretty well, if you have a pittiewittieSee full review