UNIWIN women's underwear matching set is made of combed cotton. This set has two great features: stretch and comfortable. Based on the features, this set is a good choice for most of the situations people may encounter; no matter for sport activities or daily wearing. The racer back and bikini style design meet all kind of sport need. It has no pad, hooks or clasps that means the no-press feelings and full-freedom comfort. Therefore, it is really a wise alternative to ordinary bras. The texture of combed cotton is softer because it lacks short threads to stick out and prickle, and all dirt and impurities have been removed from the thread. Combed cotton is also stronger, because shorter and breakable fibers have been removed through combing. In addition, the straightened fibers lie together more tightly after combing, making combed cotton thread less likely to fray and unravel. Because the combing process removes volume and adds an extra step, the resulting textile will be slightly more costly.As long as you give us a chance to help solve your problem before leaving any negative reveiw, we believe you will Love the "Money back or new things guarantee ".