This lightweight brief is made of a light nylon stretch fabric for a younger, slimmer appearance without digging, bulging, or binding. Comfortable for all-day wear! Lightwieght fabric dries quickly so is great for traveling! Dynastretch fabric for comfort all day. Lightweight fabric that slims and smooths. Fabric: 84% Nylon, 16% Spandex Crotch lining: 100% Cotton.