What Momme Silk is the Best for Pillowcases? Fabric Weight Explained

Key Takeaways

• Momme is silk's fabric weight, and 19 to 30 momme is the usable range for pillowcases.

• At 19 and 22 momme, pillowcases feel soft but can lose their smooth finish faster under daily washing and friction.

• Mayfairsilk settles the question by building every pillowcase at a full 25 momme, while most silk brands stop at 22; that extra weight keeps the weave dense enough to glide against hair and skin through years of washes.

• A 25 momme US Queen (UK Standard) housewife pillowcase holds approximately 105 grams of silk, roughly 31.6% more than a 19 momme case. It is a denser weave, more silk per square inch, which is what gives it the weight, sheen, and staying power lower weights can't match.

• Mayfairsilk makes every pillowcase from Grade 6A Mulberry silk at a full 25 momme, with tight finishing and a matte sheen that holds up night after night.

The Best Momme for Silk Pillowcases: What You Need to Know

25 momme is arguably the best silk weight for pillowcases, and Mayfairsilk's preferred choice, with 22 momme as a strong runner-up and 19 momme as a lightweight starter option. At 25 momme, the weave is dense enough to keep its sheen and slip through years of nightly use; 22 momme gives you most of that for less; 19 momme is soft and breathable but wears thinner under daily washing. Which one fits depends on how often you sleep on it, how warm a room you sleep in, and how long you want it to last.

Silk pillowcases have crossed from beauty-product novelty to a regular bedding category, and momme has become the spec people actually compare. Get the weight right and the rest of the experience falls into place.

If you're picking your first silk pillowcase or upgrading from a thinner one, the breakdown below covers what each weight feels like, how long it lasts, and where Mayfairsilk's 25 momme fits in.

What Are the Common Momme Weights for Silk Pillowcases? 

19 Momme Silk Pillowcases

• Description: Lightweight and budget-friendly entry-level option.

• Weight: Approx. ~79 grams per pillowcase.

• Benefits: Soft, breathable, and gentle on hair and skin; great for beginners or warm climates.

• Drawbacks: Less durable, may wear out quicker with frequent washing.

• Use Case: Best for occasional use or those looking to try silk without a big investment.

22 Momme Silk Pillowcases

• Description: A balanced and popular choice.

• Weight: Approx. ~93 grams per pillowcase, noticeably denser than 19 momme.

• Benefits: Durable, smooth, and polished with a beautiful sheen.

• Drawbacks: Pricier than 19 momme as more raw silk is used in weaving the fabric.

• Use Case: Very good for everyday use, offering a good balance of value to performance.

25 to 30 Momme Silk Pillowcases

• Description: High-end luxury bed linen

• Weight: 105+ grams per pillowcase, with the most silk by weight in the usable range.

• Benefits: Extra durable, incredibly rich in feel and appearance; built to last.

• Drawbacks: It requires significantly more silk fibre to produce, so it's more expensive than lower momme fabrics. 

• Use Case: Ideal for those seeking exceptional everyday luxury, enhanced durability and a richer, more substantial silk feel.

The 25 to 30 momme silk pillowcase delivers notable softness and weight, perfect for deep, cosy sleep with a touch of everyday luxury.

Summary Table: Momme Weight Comparison for Silk Pillowcases

What Should You Consider in Choosing the Right Silk Pillowcase Momme Weight?

• Budget: If you’re just starting with silk, 19 momme is an affordable starting point. If you’re ready to splurge, 25–30 momme delivers that premium feel.

• Durability Needs: For everyday use and regular washing, 22 momme or higher holds up best.

• Climate and Comfort: 19 momme is light and breathable; great for warm weather or hot sleepers. Heavier weights feel warmer and more substantial.

• Aesthetic Preferences: Higher momme silk has a rich, luminous sheen that has a high-end look.

• Hair and Skin Benefits: All momme weights are kind to your hair and skin, but the heavier ones hold up longer, so you get those hair and skin benefits over time.

What Other Factors Affect Silk Pillowcase Quality?

Momme weight tells you a lot, but it isn't the only thing that shapes how a pillowcase performs. The type of silk, the weave, and the quality of the finishing all play a role. Getting these right separates a pillowcase that lasts from one that wears out in a season.

Mulberry silk is the gold standard. Its long, uniform fibres make it smoother, stronger, and naturally hypoallergenic compared to wild or blended silks. Charmeuse is the weave to look for, with a shiny face and a matte back that gives you the slip-and-slide surface silk is known for.

Finishing matters just as much as fabric. Clean stitching, careful dyeing, and tight seams are what keep a pillowcase looking sharp after dozens of washes. 

25 is the ideal momme weight for silk pillowcases.

Why 25 Momme Wins for Pillowcases

A 25 momme silk pillowcase is built to hold up over regular nightly use, wash after wash.

If you want a silk pillowcase that holds its sheen and smoothness past the first few months, 25 momme is the answer. 22 momme is a sound mid-tier pick and 19 momme is a fair starting point, but 25 is where durability and the silk experience peak together.

That's exactly the spec Mayfairsilk builds to. Every pillowcase ships at a full 25 momme in Grade 6A Mulberry silk, with seams that hold up to nightly washes and the dense, even drape lighter weights can't reach. The first night tells you everything you need to know.  For the best performance to value we construct our sheets in 22 momme. 

Shop Mayfairsilk pillowcases in 25 momme Grade 6A Mulberry silk.

Mayfairsilk: Luxurious Slumber in Matte Silk As Featured in Marie Claire, Harper's Bazaar & Vanity Fair Experience True Silk Luxury: Silk Pillowcases · 25 Momme: Transform your beauty sleep with our signature pillowcases that help reduce friction on hair and skin while regulating temperature throughout the night. Silk Sheets · 22 Momme: Envelop yourself in the ultimate bedding experience with our thermoregulating complete sets, crafted from lustrous Grade 6A Mulberry silk with an exquisite matte finish. Exclusive Limited Edition Prints: Elevate your bedroom aesthetic with our designer patterns, created in small batches for those who appreciate distinctive luxury. The Mayfairsilk Difference: ✓ Grade 6A Mulberry silk (the highest quality available) ✓ Thicker, more durable weave (22–25 Momme vs. standard 19) ✓ Natural thermoregulation for year-round comfort ✓ British owned and designed ✓ UK-based warehouse for fast, reliable delivery ✓ 30-night sleep guarantee on pillowcases Luxury Without Compromise: Free Next-Day Delivery on orders over £50 to the UK and €180/$180 to the EU/US. All taxes and duties calculated upfront—no surprise charges. Discover Mayfairsilk Today →

Frequently Asked Questions (FAQ)

How long does a 22 momme silk pillowcase typically last?

With good care, a 22 momme silk pillowcase can last 1–2 years of nightly use. That’s about 100–150 gentle washes before wear and tear starts to show.

Can I machine wash higher momme silk pillowcases?

You can, as long as you do it carefully. Use a mesh laundry bag, a delicate cycle with cold water, and a detergent made for silk. Avoid heat, fabric softeners, and bleach, and always air dry out of direct sunlight. Heavier momme silk holds up better than lighter weights, but it still needs good maintenance.

Why are 19-momme silk pillowcases so much cheaper?

They use less silk, around 15% less than 22 momme and nearly 31.5% less than 25 momme, so they cost less to produce. That makes them a more budget-friendly entry point into silk, but with trade-offs in durability.

Will a higher momme silk pillowcase help with my hair and skin more?

Yes, but only slightly. All silk pillowcases reduce friction and retain moisture, which is great for hair and skin. Heavier momme silk has a denser weave that stays smoother longer, giving a small boost in those benefits. But the biggest difference is when you switch from cotton to silk; going from 22 to 25 momme is more of a luxury upgrade.

Are Mayfairsilk pillowcases suitable for sensitive skin and allergies?

Absolutely! All Mayfairsilk pillowcases are naturally hypoallergenic and smooth against the skin, making them a gentle and safe choice for sensitive skin and allergy-prone sleepers.

*Note: The prices and product listings mentioned above are approximate and may vary over time or by location. Actual costs can differ based on pricing policies, provider experience, and market conditions.

Your next good night starts here.

Smoother hair. Comfort against your skin. A bed you look forward to.
Find your favourite colour or print and feel good in silk.

Shop silk pillowcasesDress your bed in silk