The complete guide
How to Choose a Silk Bonnet That Actually Stays On
The problem with sleeping on cotton
Hair takes a beating overnight and most people never notice it happening. You lie down, roll over maybe twenty times, and each time your hair drags across the pillowcase. Cotton has a slightly rough, absorbent weave. It grips. Over months, that friction shows up as frizz at the crown, rough ends and a morning tangle that takes longer to brush out than it should.
A silk bonnet solves this in the simplest way possible. Instead of changing what you sleep on, you change what your hair touches. Silk is a smooth filament fibre. Hair slides across it rather than catching, which means less pulling at the strands and less disturbance to whatever style you went to bed with.
The other benefit is just practical. Long hair that gets gathered into a bonnet stays in one place. It does not end up under your shoulder, wrapped round your neck or splayed across your partner's side of the bed.
What 22 momme means and why it matters
Momme is the measure of silk weight. It comes from the traditional Japanese system and describes how much a given area of fabric weighs, which in practice tells you how dense the silk is. Silk sleepwear usually sits somewhere between 16 and 25 momme.
At 22 momme, this bonnet is at the heavier end of that spread. You feel the difference immediately. Lighter silk, say 16 momme, can feel slippery and almost insubstantial, and it tends to show wear faster. A 22 momme silk bonnet has body to it. It drapes properly, holds its shape and stands up to regular washing far better.
Mulberry silk refers to the source. Silkworms fed exclusively on mulberry leaves produce longer, more uniform filaments, which gives a smoother and more even fabric than wild silk varieties. When a product is described as 100% mulberry silk, that is the grade you want for anything that touches your hair every night.
One detail worth checking on any bonnet you consider: is the inside silk too? A surprising number of bonnets on the market use a silk or silk-look outer shell with a cheaper synthetic lining. The lining is the part that actually touches your hair, so a satin polyester inner defeats the point entirely. This one is mulberry silk on both sides.
Getting the fit right
Fit is where most bonnets fail. Too loose and it slides off somewhere around 2am. Too tight and you wake with a red band across your forehead and a dent in your hairline.
This bonnet handles fit with a buckle and drawstring rather than elastic. That is a meaningful difference. Elastic stretches out over time and gradually loses its grip, and when it is new it can press uncomfortably. A drawstring you gather yourself, with a buckle to lock the setting, gives you control and does not degrade the same way.
The suggested head range is 21 to 23 inches. To measure yours, run a soft tape around your head just above the ears and across the widest part at the back. Most adult heads land somewhere in that window, but it is worth two minutes to check rather than guessing.
The silk itself has no stretch. That sounds like a limitation but it is why the adjustment system exists, and it is also why the fabric does not go baggy after a few months. All the give comes from the closure.
One honest caveat. The supplier notes this style is not ideal for thick or high-volume hair. If you have a large amount of hair to tuck in, a deeper or wider bonnet will serve you better. The best silk bonnet for your situation is the one that holds your hair without straining, and no amount of good fabric fixes a cap that is too small.
Who this suits
People with fine to medium hair who want to cut down on overnight friction will get on well with this. The same goes for anyone with a blow-dry or a set style they want to preserve for a second day.
Curly hair is a common use case. A silk sleeping cap for curly hair keeps curl clumps from being flattened and dragged out of shape by the pillow. The usual approach is to loosely gather the curls on top of your head, then put the bonnet over. Again, volume is the limiting factor here, not curl type.
Shorter hair works fine too. Plenty of people with bobs or cropped styles use a bonnet simply to stop the hair setting into odd kinks overnight.
If you tend to sleep hot, silk is a good choice. It breathes rather than insulating, which is why this is listed as an all-season item. A fleece or heavy knit cap would be unbearable in a Kiwi February. A breathable silk bonnet is not.
Choosing between options
When you are comparing bonnets, there are really only five things that matter.
Fibre content comes first. Look for 100% mulberry silk, stated plainly, on both faces of the fabric. Anything described as satin without a fibre named is almost certainly polyester.
Momme weight comes second. Anything in the low twenties is a sensible target for a bonnet. Below 16 and you are buying something that will look tired quickly.
Closure type is third. Buckle or drawstring beats elastic for longevity and comfort.
Size range is fourth, and it is the one people skip. Check it against your actual head measurement and your hair volume.
Care requirements are last. Hand wash only is standard for real silk at this weight. If a bonnet claims to be machine washable mulberry silk, read the fine print.
Looking after it
Silk is not fragile, it is just particular. Hand wash in cool water with a detergent made for delicates, the sort you would use on wool or lingerie. Regular laundry powder is too harsh and will dull the surface over time.
Fasten the buckle before it goes in the water. Loose hardware swirling around wet silk is the single easiest way to snag it.
Do not wring it. Lay it on a clean towel, roll the towel up and press gently to draw the water out. Then reshape it and dry it flat. Keep it away from direct sun, radiators and hot airing cupboards, because heat and UV are what break down silk fibres and fade colour.
If it needs pressing, use the coolest iron setting, work on the reverse side, and put a thin cloth between the iron and the fabric. Honestly, most of the time you will not need to.
Washing every week or two covers most people. Step that up if you sleep with oils or leave-in treatments in your hair, since those build up on the fabric.
The short version
A 22 momme mulberry silk bonnet is a small, cheap intervention that takes the nightly friction out of your hair routine. This one is silk inside and out, pink, medium weight, and adjusts with a buckle and drawstring to fit heads around 21 to 23 inches.
Measure your head before ordering, and be realistic about your hair volume, since this style is not aimed at very thick hair. Hand wash it cool, dry it flat, keep it out of the sun. Do that and it will outlast a drawer full of cheaper caps.