Perfect solution to over-packed suitcases and tricky climates Extremely quick-drying so you can wash on the go and pack fewer pairs Terry elastic back and functional fly for ease Ideal for backpacking, outdoor work, fishing, golfing, urban exploration, and even just lounging Machine wash and tumble dry for easy care These briefs are high performance and low maintenance. Treated with Aegis Microbe Shield they're odor resistant and perfect for tricky climates and active adventures. Made from 94% Nylon/6% Spandex and are 4oz/sq yd. A great choice for all your sporting adventures as well as daily wear, the ExOfficio Give-N-Go men's brief provides comfort that air dries. High-performance and low-maintenance, the Give-N-Go is particularly suited to travel--whether by foot or plane--as its quick-drying fabric allows you to wash on the go and pack fewer pairs of underwear. The brief is made from 94 percent nylon and 6 percent lycra, and they're ultra-light at just 4 ounces per square yard (2.5 ounces in total). Other features include treatment with Aegis Microbe Shield to control odor-causing bacteria, terry elastic back, and easily functional fly. Care Instructions Machine wash cold; wash with like colors. No bleach. Tumble dry low or line dry in shade. Iron on low setting.