This 2-in-1 running / training short features a lightweight form-fitted boy short liner, hidden storage pockets, and adjustable drawcord. Lightweight moisture-wicking woven short fabric paired with a smooth knit waistband, stylish mesh inserts, and light compression boy short liner. 3.5" form-fitted liner short, semi-fitted 2.5" outer shell. Size small (28-29” waist). 88% Polyester, 12% Spandex Machine Wash