Nature Heals sweatpants by KROST. Straight leg jersey fleece sweatpants feature a graphic and text printed at the left leg, complete with a drawstring waist and side pockets. Urban Outfitters exclusive. Support your community with mission-driven brand KROST, whose goal is to increase awareness, acceptance and change around different societal issues. Through the products they design and the partnerships they form, KROST tells the story of a cause.