Approximate measurements in photos. From retailer’s site: This soft and comfy onesie features a slouchy, relaxed-fitting design with a dropped crotch and convenient side pockets. Fit: Effortless and oversized silhouette. Meant to be loose for layering. Features: Racerback silhouette, oversized patch pockets, dropped armholes Why We <3 It: A perfect match for light workout days, or for layering on post-sweat sesh. 95% Cotton, 5% Spandex