Trust me when I say ladies, that this silky smooth, seamless black bra will be the most comfortable bra you have ever owned and will instantly become your black bra go-to. If I could have placed an order in 10 different colors, I would have - with no hesitation. It is THAT good! Flat Lay Measurements (width of bottom band on last hook / recommended bra size): Small: 12" band / 32C, 32D, 34A, 34B Medium:13 1/8" band / 34C, 34D, 36A, 36B Large: 14 1/4" band / 36C, 36D, 38A, 38B X-Large: 14 3/4" band / 38C, 38D, 40A, 40B 90% Polyamide, 10% Elastane