Designed to have a slim fit throughout. See our size & fit guide. The model is wearing a size XS and is 5'11", 24" waist, 35" hips, 31" bust. non-adjustable straps. front buttons. Cotton Cinch is a lighter weight stretch fabric with a soft handfeel made with 88% organic cotton, 12% spandex. Hand wash + dry flat. More on fabric & care.