Silk Pajamas for Summer: Lightweight and Thermoregulating

In short: silk is often thought of as a winter fabric. It is a misconception. Light and breathable, a mulberry silk pyjama set is, on the contrary, one of the most pleasant things to wear when the nights are warm. Here is why silk helps you sleep cool, which momme weight and cut to choose for summer, and how to care for it so that it stays pristine season after season.

Is a silk pyjama set really suited to summer?

Yes, provided you choose the right silk. How warm or cool nightwear feels depends not on the material in general, but on its weight, its cut and the way it manages moisture. A fine, fluid silk lets air circulate and wicks away perspiration, whereas a thick cotton or a synthetic fabric traps heat.

Worn against the skin all night, your pyjamas are probably the piece that most influences your thermal comfort. This is precisely where mulberry silk makes the difference.

Why silk keeps you cool at night

Silk is a natural protein fibre with a very particular behaviour:

• It wicks away moisture. Silk absorbs and then releases perspiration instead of holding it against the skin: you stay dry, without that clammy, clinging feeling when you wake in the night.
• It breathes and weighs very little. A fine weave has low thermal inertia: it does not store heat and never gives the "stifling" effect of a heavy fabric.
• It glides without clinging. Its smooth surface limits friction and the plasticky feel of polyester as soon as the skin becomes damp.

Let's be honest: in a real heatwave, nothing replaces a well-aired, temperate bedroom. But to get through a warm night, silk remains the most comfortable fibre to wear.

The difference is even more noticeable for those prone to night sweats, hot flushes or reactive skin: less trapped moisture means less broken sleep and calmer skin on waking.

Which momme weight and cut for summer?

Silk weight is measured in momme. For summer nightwear, lightness is the priority: 16 to 19 momme gives a fluid, airy silk, ideal when it is hot. Higher weights, which are denser, are better suited to cooler seasons. To understand this measure in two minutes, read our guide to silk momme weight.

As for the cut, summer calls for short or flowing shapes: short sleeves, shorts, camisoles, lightweight trousers. A camisole and shorts set, a short nightshirt or a short-sleeved pyjama set are all safe choices; avoid lined fabrics and heavy finishes, which cancel out the lightness you are looking for. Here is how silk compares with other nightwear fabrics once the heat sets in.

For her, for him: putting together your summer nightwear

Silk suits every preference. For her, a short-sleeved silk pyjama set, a camisole or a nightdress is enough to get through a warm night without feeling weighed down. For him, a short-cut men's silk pyjama set combines coolness and fit, far from the jersey that holds in the heat.

The idea is the same in both cases: little fabric, fluid, in direct contact with the skin.

Three mistakes that spoil a summer night

A few harmless habits can turn a light night into a clammy one. Avoiding them changes everything:

• Synthetic pyjamas. Polyester and microfibre retain heat and moisture: the fabric clings to the skin at the first rise in temperature.
• Cuts that are too tight. Visible elastic and fitted waists cut off the airflow; in summer, favour fluid, loose-falling shapes.
• Too many layers. Better a single light piece, kept on all night, than a pile of layers you end up taking off at three in the morning.

In short, summer rewards simplicity: a noble material, a cut that breathes, and nothing superfluous.

And the rest of the bed?

A beautiful pyjama set comes into its own on bedding that breathes too. To go further, see how silk helps you sleep cool, then start with the most effective piece: the silk pillowcase, in contact with your face and hair all night.

Care: keeping a silk pyjama set fresh and pristine

A few simple steps are enough to preserve silk's cool hand feel and lustre:

• Cold wash (30 °C maximum), by hand or on a delicate cycle, in a laundry bag.
• Neutral detergent, with no bleaching agent or fabric softener.
• Dry flat, in the shade; never in a tumble dryer.
• Iron on a low heat on the reverse if necessary.

Frequently asked questions

Is a silk pyjama set warm to wear?

No, if the weight is light. A 16 to 19 momme silk breathes and wicks away moisture: it regulates temperature instead of retaining it, which makes it pleasant even on a warm night.

Which momme weight should I choose for a summer pyjama set?

Aim for 16 to 19 momme: fine enough to stay airy, strong enough to last. Higher weights are better suited to mid-season and winter.

Is silk suitable if I sweat at night?

Yes. It absorbs and then releases moisture and stays dry to the touch, whereas polyester traps heat and clings to the skin.

How do I wash a silk pyjama set?

Cold, by hand or on a delicate cycle in a laundry bag, with a neutral detergent. Dry flat, away from direct sunlight, without a tumble dryer.

Prepare for your summer nights. Discover our mulberry silk pyjama sets and choose lightness, to sleep cool without giving up elegance.