AERO|TECH|DESIGNS Men's FINA Competition Swim Briefs 100% Wickaway Polyester Machine wash cold, air dry Aerodynamic, brief-style swimwear Drawstring waistband, 2-panel fabric stretches 6 ways to allow unrestricted, full range of motion during your workout Adult Sizes: Small (26-28) Medium (30) Large (31-33) X-Large (35) XX-Large (36-38) 3XL (40-43) 4XL (45-47) *NOTE: All waist measurements are in inches Polyester fabric wicks moisture to dry quickly out of the water and the fabric is also chlorine-resistant and lighweight UV protection