TR-687-CB Men's 5" Lightweight Track Short with Side Panels and Inner Brief Cold water wash. No bleach. No fabric softener. Hang Dry. Made in USA Tricot Nylon for all colors. 100% Polyester for white Geared for track and cross training, 1.5" covered elastic waistband Matching inner brief, Loose fit that allows full range of motion Antimicrobial technology that reduces odor