If grade describes the quality of the silk fibre, momme describes the weight of the woven fabric — and together they tell you almost everything about a piece of silk.
What momme actually measures
Momme (pronounced "mommy") is a traditional unit of silk weight. Technically, it is the weight in pounds of a piece of silk 45 inches wide and 100 yards long. In practice, a higher momme means a denser, heavier, more durable weave with a richer drape.
The ranges that matter
Most silk bedding and sleepwear falls between 16 and 25 momme. Below about 19 momme, silk can feel thin and wear quickly. We weave our everyday pieces at 22 momme — the sweet spot of luxurious feel and real durability — and our Reserve line at 25 momme, a noticeably heavier, more substantial silk with a deeper, more luminous fall.
Why higher isn't always "more"
Beyond the high twenties, silk becomes stiffer and less breathable — wonderful for some upholstery, less so against the skin at night. The goal is balance: enough weight to feel substantial and last for years, while staying cool, fluid and weightless. That is why 22 and 25 momme are our two weights.
How to use momme when you shop
Always look for two numbers together: the silk grade and the momme. A 25-momme weave of low-grade fibre is still low-grade silk; 22-momme Grade 6A mulberry is a genuinely fine fabric. If a seller lists neither, treat that as your answer.
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