Materials play a large role in the feel of your sheets, but how the material is woven can change how sturdy, soft, or thick it is. While you may pay close attention to thread count and material, you should also take into account the type of weave.
Lyocell is similar to viscose in that it is a regenerated cellulose fabric, but is made with a more eco-friendly process. TheU.S. Federal Trade Commissiondefines lyocell as rayons “composed of cellulose precipitated from an organic solution in which no substitution of the hydroxyl groups takes place and no chemical intermediates are formed” — essentially meaning it does not use the harmful chemical solvents normal viscoses use. Lyocell production also results in little waste product, but it is still relatively energy intensive.
The higher the fill power, the better the insulation and durability The higher the fill power, the better the insulation and durabilitybig duvet insert. For a big duvet insert, a fill power of 500-700 is ideal for providing ample warmth without being too heavy.