Sports bra’s are medium support & crafted out of a polyester spandex blend. Making them ultra-soft and comfortable for all different body shapes / sizes. They run true to size, and are available in size XXS – 3XL. SPORTS BRAS FIT TRUE TO SIZE Model 1 Size Reference (Black Hair): 5'4 127lbs, 29 band, 36 bust, 36DD (wearing size M sports bra) Model 2 Size Reference (Blonde Hair): 5'3 125lbs, 31 band, 34 bust, 34A (wearing size S sports bra) Adjustable strap 77% polyester, 23% spandex