Skims essenital bodysuit in Onyx. Size S-M. Off-the-shoulder neckline, long sleeves, brief back coverage, snap closure: https://skims.com/products/essential-off-the-shoulder-bodysuit-onyx 95% Nylon / 5% Spandex approx measurements: pit to pit: 11.5” length to gusset: 18.5” length to waist: 13” sleeve: 19”