The Lucky Microback features adjustable thin straps, similar to a racerback bra. Constructed from Durafast for a perfect fit, the thin straps and sleek cut at legs are great for tan lines and yearround swimming. Lined Microback with minimal back coverage and adjustable thin straps Sleeker cut on legs 100 Polyester Item Specifications Color WhiteRedBlack Material 100 Polyester Fit Women's Type of Material Synthetic