BRAND: Hobby Horse Clothing Inc. Made in USA Size: Only says “Petite” -Based on measurements I believe it is a medium but please check measurements before ordering Approximate measurements: Up to 17” inch chest (measured flat and across underarm to underarm- or up to 34” inches full around) 15” inch waist (measured flat and across at the bottom Hem of vest- or 30” inches full around) 19 1/2” inches front full length (top to bottom) 18 3/4” inches back full length (top to bottom) Ships from a clean, smoke free home!