Adjustable band for maximum comfort and fit; wide band under bust for extra support, and stability. Firm control, no bounce for the brassiere * Mesh back with a keyhole for optimal ventilation. The soft cupped, full coverage, wireless and pullover bra is a comfort choice for exercise * Racer back/criss cross allow maximum freedom of movement and provides support, good for low impact activities * Shell fabric: 92% polyester (50%coolmax) 8%Lycra. Moisture wicking, breathable and comfortable fabrics for this tight women athletic bras * Active sports bra with silver finish treatment inhibits the odor caused by bacteria and fungi, best for ladies workout