This pajamas is mainly fabricated from spandex fabric. Spandex, being a synthetic fiber with high elasticity, can closely fit the curves of the body. At the same time, it shows excellent air permeability and moisture-absorbing properties, keeping the skin dry and comfortable all the time. The outstanding elasticity of spandex enables the pajamas to adjust to different body movements. Whether it's rolling over, stretching out, or bending, there won't be any feeling of restriction, providing you with a relaxed wearing experience. The excellent air permeability ensures that air can circulate between the pajamas and the skin, effectively removing moisture and heat and allowing you to remain cool and comfortable while sleeping.