The fabric (80 percent cotton, 18 percent polyester, 2 percent spandex) is relatively lightweight, resists stains and wrinkling, and is tough enough to take on adventures without shredding. Hidden zippered pocket in the back right pocket adds security for most important items, like money, cards or phone. An interior zippered back pocket lets you hide things away even more securely. If you love these pants, grab them in a few colors, but when traveling to hot locales, still bring along a tissue-weight pair of pants just in case.