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, hes covered. Sits at waist. Boys run shorts are relaxed through hip and thigh. Run shorts hit above knee. Model is approximately 45 and is wearing size M (numeric size 8). machine wash according to the care instruction label spandex 12% polyester 88%