Fit When selecting your size for the Euro top, simply use your cup size measurement when referencing the size guide since the back is fully adjustable Medium Support Cups Slide For An Adjustable Fit Fully Adjustable Ties At Neck And Back Recommend Sizing Up One Size Style Features Double Halter Straps Triangle Top Removable Bow Detail Style Tip: Criss-Cross The Strings For A Totally Different Look! Fabric Details Silky sage green fabric with an understated sheen Lycra 80% nylon, 20% spandex OEKO-TEX certified Micro Rib 90% recycled nylon, 10% spandex GRS certified