Fnk M154 TFSHM154 shorts Men's Ultralight Running Shorts. We made them from lightweight, perforated fabric in Ultralight technology. They have internal flexible underpants that provide extra covering and comfort during exercise. In the belt, we placed a trot gum that will keep the shorts in place. The reflectors will improve your visibility during your training at dusk. We also used 4FDry technology to support moisture removal. reflectors, small, fastened pocket placed at the back under the belt, The rubber belt with the trots will keep the shorts in place, legs with cuts at the bottom for freedom of movement during running, design with internal underpants will provide cover and convenience, light material does not restrict body movements, quick drying fibers in 4FDry technology support moisture removal