This crop top sports bra is specially designed with front detachable shoulder straps. It gives you the options for 2-way wear styles, X-back or U-back for individualized comfort and support. Criss cross back helps prevent the straps slipping off from the shoulders. Two different wearing style can meet your needs for different fashion match in your daily life. This high impact support bra is super stretchy, moisture-wicking, let your skin breathe freely during medium/high intensity aerobic exercise. The bra has soft & smooth texture, skin-friendly, no chafing to your sensitive skin, comfortable to wear it everyday.