Work out in this maximum impact wire-free sports bra Built for high-impact activities such as Kickboxing Compression fit holds the breast tissue down Mirror your shape in soft terry cloth lined molded cups Close-set, back adjustable, stretch straps won't slip Moisture-wicking, stretch microfiber Hook count: 3-hook = 32A-44A, 30B-42B, 30C-40C, 30D-38D Hook count: 4-hook = 44B-46B, 42C-46C, 40D-46D, 30-46E,F,G,H Content: 50% Polyester, 35% Nylon, 8% Lycra® Elastane. Country of Origin: Imported