This customer favorite is a fashion fit and may feel small. Consider ordering one size larger than normal for a traditional fit. Soft, lightweight, breathable, washable, polyester material for added comfort. Form-fitting, figure-flattering More cute styles to choose from! Mix & Match, Collect them all! Please refer to sizing chart as our sizing runs small. Measure your dog from the base of the neck to the base of the tail for back length. Excellent quality materials and very detailed embroidered dog t-shirt designs.