Linen is another natural fiber derived from the flax plant. Instead of fluffy cotton bolls, linen fibers are produced from the stems of flax. The structure of flax stems is what gives linen fabrics their innate strength and durability. Don’t let the rough thread fool you at first glance, though - the more you wash linen, the softer it becomes.

Linen
A fitted sheet is different in that the corners are elasticated so that it is not necessary to tuck the sheet under the mattress as the elastic will serve to keep it in place. It is not possible to use a fitted sheet as a top cover because of the elasticated corners.