Give him a good night's sleep, every night. Made from TENCEL™ Modal fibers and a touch of elastane, this temperature-regulating knit fabric is verified by OEKO-TEX® Standard 100, meaning it's dyed with safe and non-toxic dyes. The relaxed-fit Henley long sleeve top has functional buttons at the neckline, while the pant features an elastic waistband, adjustable drawstring, faux fly, and functional pockets for added comfort.