This is a set of pajamas from Wacoal's Suimin Kagaku (Sleep Science) brand. Suitable for both pajamas and loungewear. Brand new with tags. Soft and smooth to the touch, supporting comfortable sleep. Beautiful navy color. [Brand] Wacoal Suimin Kagaku (Sleep Science) [Size] M [Color] Navy [Material] 100% Rayon I bought this for my mother, but she seems to prefer the Suimin Kagaku pajamas she's currently wearing, so I'm selling this new set.