What Are Microfiber Sheets?


Quick Answer

Microfiber sheets are created from thin fibers of polyester, wood pulp or nylon polymers. To qualify as a microfiber, the fibers must be less than 1 denier in diameter. This is even smaller than silk, which measures 1.25 deniers.

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Full Answer

The lower the denier of a material, the thinner that material is. Individual microfiber threads are weak due to the thinness, but the sheets as a whole are strong because the thin threads allow for tighter weaves. The thin nature of the threads allows the sheets to be thinner themselves while also making it easier for manufacturers to finish them so that they are softer than most cotton sheets. The lowered denier of the fibers allows for higher thread counts in the microfiber sheets, typically leading to a smoother, silkier feel against the skin.

Microfiber also resists pilling more than other sheet materials, which keeps the sheets softer for longer periods of time than, for example, low-thread-count cotton sheets. Pilling occurs when sheets have a fuzzy surface that can be uncomfortable. The lowered pilling is also due to the comparably easier finishing process with micofiber than with other types of sheets, reducing pilling at the time of sheet creation as well as adding some resistance to newly introduced pilling through repeated washings.

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