NWOT Girlfriend Collective Unitard in Black. Size XS The only compressive unitard you will ever need, made from 36 recycled water bottles for all your yoga, pilates, and looking cute needs. It's like your favorite cami and coziest leggings had a baby. Compressive fabric containing 79% RPET and 21% spandex. Measurements: Bust - 22” Waist - 20” Inseam - 28”