Luxuriously soft bamboo jersey sleepwear. Tank top has rounded neckline and wide straps and the back is a racerback style for a comfortable and flattering fit. Pants have comfortable elastic waistband and full rise. The material is 95% bamboo viscose, 5% elastane. Machine wash with like colors. Non-chlorine bleach only. Tumble dry on low heat. Sizes Small( 2-4), Medium (6-8). Large (10-12), Extra Large (14-18). You asked for more room to move and this gown gives it to you!