PHINIKISS Women Sports Bodysuit Athletic Swimsuit Size chart:Tag Size M=US Size 0-2;Tag Size L=US Size 2-4;Tag Size XL=US Size 4-6;Tag Size 2XL=US Size 6-8;Tag Size 3XL=US Size 8-10. This is a athletic swimwear, the material is thin, it can reduce resistance. Professional design bra, hanged pad and not underwire, more comfortable. Professional fabric, comfortable, washable, quick drying, breathable. Backless, boyshorts, long leg, high neck, One piece bathing suit. If you have big legs it might be a little tight,not fit you perfectly.