These sporty swim briefs are fully lined, both front and back, with a chlorine resistant tricot lining fabric. Amazing support! Beautifully cut and construcuted with a comfortable plus size fit and conservative leg opening. Fully encased no-roll, no-chafe elastic waist. Embroidered with a Junonia® seashell at the leg, your guarantee of exceptional fit and quality. Mix and Match. 50 UPF UV Sun Protection.