How to Identify Quality Cashmere: A Buyer's Guide

Cashmere prices range from under $50 to well over $500 for what looks, at a glance, like a similar sweater. The difference is real, and mostly invisible until you know what to look for. Here's how to actually evaluate it.

1. Fiber Length and Fineness

Longer, finer fibers make stronger, softer, less pilling-prone cashmere. This is the single biggest quality driver and the hardest to see with the naked eye, but there are proxies you can check:

• The touch test: run it against the back of your hand, not your fingertips (which are less sensitive). Quality cashmere feels soft immediately, not "soft with a slightly rough edge."
• The stretch test: gently stretch a section of knit and let go. It should spring back close to its original shape. Cashmere that stays stretched out is a sign of shorter, weaker fibers.

2. Ply

"Ply" refers to how many strands of yarn are twisted together. You'll often see this listed as 1-ply, 2-ply, or higher.

• 2-ply is the most common standard for well-made sweaters, a good balance of warmth, drape, and durability.
• 1-ply is lighter and often used for finer, more delicate pieces (scarves, lightweight layers), not necessarily lower quality, just a different use case.
• Higher ply counts (4-ply and up) show up in heavier, more structured pieces.

Ply alone doesn't tell you quality, it tells you what the piece was designed for. A 1-ply scarf isn't inferior to a 2-ply sweater, they're built for different jobs.

3. Weight and Density

Pick it up. Quality cashmere has a certain substance to it, not stiff, but not flimsy or see-through when held up to light either. A knit that feels insubstantial or where you can easily see through the weave is typically a sign of lower fiber density.

4. Pilling Behavior

All cashmere pills somewhat in the first few wears as loose surface fibers work free, this is normal even in the best cashmere. What separates quality from poor quality is what happens after: does pilling stop, or does it keep going wear after wear? Persistent, heavy pilling usually points to shorter fibers or a looser weave.

5. Color and Dye

Undyed cashmere, left in its natural color, is often considered a marker of quality, partly because it skips a processing step that can stress the fiber, and partly because it showcases the fiber's natural texture without any color intervention. It's also simply rarer, since natural cashmere only comes in a limited range of colors (creams, browns, greys).

If a piece is dyed, an even, consistent color with no patchiness is a good sign of a well-executed dye process that hasn't damaged the fiber.

6. Origin

Cashmere goats are raised primarily in Mongolia, China, and parts of Central Asia. Mongolian cashmere in particular has a strong reputation, largely credited to the harsh climate the goats endure, which tends to produce finer, more insulating undercoats. Origin alone doesn't guarantee quality, processing matters just as much, but it's one more data point worth checking on the label.

Putting It Together

No single test tells the whole story, combine a few:

1. Touch test against the back of your hand
2. Gentle stretch-and-recover check
3. Hold it to light and check density
4. Check the ply and material label
5. Check whether it's undyed (a positive signal, not a requirement)

If it passes most of these, you're very likely holding genuinely good cashmere, regardless of price point.

Browse our Cashmere Sweaters collection to explore the full range of cashmere pieces.

For more on the differences between cashmere and wool, read our Cashmere vs Wool guide.