The outer shell is made of quick-dry fabric and interior briefs are made of EVAP poplin nylon that dries fast and stays comfortable. The special grommet design ensures you never have inflated swim trunks when getting in the water, while the super-soft interior waistband is comfortable enough to wear all day. Topped off with zippered back pockets, angled front pockets, and our signature embroidered duck logo and chino patch.