silk types
Mulberry Silk vs Cotton vs Polyester Satin
Three fabrics, three real trade-offs on friction, breathability and price. A direct comparison.
1 min read
Mulberry silk, cotton, and polyester satin solve the same problem, something to sleep against, in three genuinely different ways. None is wrong. They trade off friction, breathability and price differently enough that the right one depends on what you're actually optimizing for.
Mulberry silk
A natural protein fibre with a smooth, uniform structure that lets hair and skin slide rather than catch. Breathable, moves moisture well, and holds a real momme figure you can check. The trade-offs: it costs more, and it needs specific care, a cool wash and a pH-neutral detergent, rather than a regular laundry cycle.
Cotton
A natural plant fibre, breathable and widely available at a lower price than silk. Its woven texture has more surface friction than silk, which is the main practical difference: more tangling and more pressed-in creases overnight. Machine washable without special detergent, which is a real convenience silk doesn't match.
Polyester satin
A synthetic fibre woven in a satin weave to mimic silk's look and slide. Cheaper than either natural fibre, and smoother than cotton, so it beats cotton on friction. It doesn't breathe as well as silk or cotton, tends to trap heat, and has no momme figure, since that measurement doesn't apply to a synthetic.
Quick comparison
| Mulberry silk | Cotton | Polyester satin | |
|---|---|---|---|
| Friction on hair/skin | Lowest | Highest | Low |
| Breathability | High | High | Lower |
| Momme stated | Yes | No, thread count instead | No |
| Machine washable | Delicate cycle only | Yes, standard | Yes, standard |
| Typical cost | Highest | Lowest | Mid |
Common questions
Is silk always better than cotton or polyester satin?
For friction and breathability, yes. For price and washing convenience, no. Which matters more depends on what you're actually prioritizing.
Is polyester satin a reasonable compromise?
It beats cotton on friction at a lower price than silk, so it's a real middle option. It falls behind silk on breathability and doesn't offer a checkable momme figure.
Silk Pearl works exclusively in 22 momme mulberry silk, OEKO-TEX certified. See the full range in the shop.