Made to keep up with all their shenanigans. Elasticized waistband, with adjustable drawstring. Diagonal on-seam pockets, with mesh lining. Vented sides at hem. Quick-drying breathable lightweight shell dries in a flash and lets him vent. Four-way super stretch for ultimate movement. StretchTech run shorts are engingeered with a stretchy, breathable fabric + quick-drying powers and UV sun protection. Workout or weekend, he's covered. spandex 12% polyester 88%