Men’s athletic shorts Men’s running shorts made from polyester mesh Machine wash Imported Ca-Rio-Ca style RS These white retro-inspired men's shorts are a modern take on the classic 70s running shorts. The Ca-Rio-Ca Retro men's shorts are great for working out, running or nearly any other athletics. The side and leg openings of these Ca-Rio-Ca athletic shorts are trimmed with white mesh fabric and contrast stitching. Sleek and lightweight, these mesh shorts from Ca-Rio-Ca allow great freedom of movement and function when exercising.