• 95% Bamboo Rayon, 5% Spandex.
• Ultra Soft Bamboo Rayon: Smooth and breathable pajama pants offer a cool and comfortable performance for your daily wearing, which is the best pajama shorts for summer.
• Elastic Waistband With Easy Handle Drawstrings: Soft waistband leaves no mark on your skin; adjustable drawstrings ensure a personalized pajama fit for you.
• Convenient Side Pocket: Pajama pants with pockets are a good space for your fitness card or room card. 
• Tag-Free: Tag-free design for scratchy-free. Bamboo Rayon, as one of the subdivisions of Rayon, refers in particular to fiber extracted from bamboo, which is just one kind of Rayon.