100% Cotton Fits snugly Good for those who don't like synthetic fibers Can't live without it in the cold season Recommended for wearing while sleeping, it keeps you warm:⁠-⁠* Can also be used as a turban or ear warmer It's difficult to convey in photos, but the knit fabric varies in thickness and elasticity. Thank you for your understanding >⁠.⁠< 150 yen off the second item for handmade goods~ Thank you very much!(*´∀`*)ノ