Rest and recover quickly with theUnder Armour Recovery Sleepwear Shorts. Print technology on the inside reflects Far Infrared which is meant to help your body recover and get better rest. Material wicks sweat to keep you cool and dry. Soft knit fabric is lightweight to keep you comfortable. Four-way stretch construction allows you to move in all directions. Open hand pockets for storage space. Encased elastic waistband for a snug fit. Powered by Celliant. 75% polyester/19% rayon/6% elastane. Imported.