Classic and comfortable, the Elliot nightie is perfect for climbing in to bed, or waking up to coffee on chilly mornings. 95% Rayon from Bamboo, 5% Spandex Model is 5'10" wearing size medium This piece fits true to size Bamboo is the fastest growing tree in the world. It naturally produces a bio agent that allows it to flourish in the wild without the use of pesticides. Bamboo rayon is antibacterial, sweat absorbent, hypoallergenic, breathable, and has a smooth finish without having to use chemical treatments.