Silk production dates back far in human history and has long been regarded as a luxury fabric. It is a strong, durable material that is also lusciously soft and shiny. Silk is also very breathable, because it is a natural material, and generally maintains a cool temperature. This makes it a popular choice for hot sleepers. Additionally, silk can be beneficial for hair and skin, as it won’t absorb moisture or cause hair breakage like other materials, since it is so smooth.

However, polyester isn’t generally a highly-prized material for bedding because it isn’t as soft or breathable as other materials. Pure polyester sheets are likely to feel somewhat scratchy or low quality. However, polyester is commonly used in fabric blends with natural materials like cotton, which can make them more affordable.