You are standing in a store — or more likely, scrolling through a screen — and the label says "cashmere." The price says $300. And somewhere in the back of your mind, a question forms that the label doesn't answer: is this actually better than wool? What about alpaca? What am I paying for?
Fair question. The fiber industry does not make it easy. Marketing has blurred the lines between what feels good, what lasts, and what is worth the price on the tag. So here is what the tag won't tell you.
Wool, cashmere, and alpaca are the three dominant natural fibers used in blankets, scarves, and cold-weather accessories. All three are animal-origin protein fibers with natural temperature regulation, moisture management, and biodegradability. But they come from different animals, have different physical structures, and perform differently over time. The right choice depends on what you need — not on which one costs the most.
The basics: where each fiber comes from
Wool comes from sheep. The most common source for quality wool is the Merino breed, though Mongolian sheep produce a distinctly different fiber — coarser, denser, with a crimp structure shaped by extreme cold. If you have ever held a blanket that felt heavier than it looked and warmer than it should be, that is probably Mongolian wool at work.
Cashmere comes from the undercoat of cashmere goats. Each goat produces only about 150-200 grams of usable fiber per year — roughly enough for one scarf. That scarcity is real, and it is the primary reason cashmere costs what it costs.
Alpaca comes from alpacas, primarily raised in the Andes of Peru and Bolivia. The fiber is naturally hollow, which gives it an unusual warmth-to-weight ratio. Suri alpaca — from a specific breed with long, silky fleece — is the finer, rarer variant.
How they feel
Cashmere is the softest of the three. That is not opinion — it is physics. Cashmere fibers measure 14-19 microns in diameter, which is finer than most human hair. This is what gives cashmere its signature buttery hand-feel, the quality that makes you close your eyes when you touch it.
The Undyed Cable Knit Cashmere Shawl is a good example of what pure cashmere feels like at its best — no dye, no chemical softeners, just the fiber as it came off the goat.
Alpaca is close behind, typically 18-25 microns. It has a different kind of softness — less buttery, more silky. The Suri Alpaca Cloud Beanie uses the finer end of the alpaca spectrum. You notice the difference first at the temple, where the fiber sits against thinner skin.
Wool is the broadest category. Superfine Merino can be as soft as 17 microns. Mongolian wool ranges from 20-30 microns — noticeably coarser, but with a density and substance that the other two fibers cannot match. A Superfine Wool Slim Scarf sits at the finer end. The 830g Heritage Cabin Wool Blanket sits at the denser end. Both are wool. They feel like different materials.
How they perform
Fiber performance comparison: Wool fibers can bend over 20,000 times before breaking, compared to roughly 3,000 for cotton and approximately 8,000 for cashmere. Alpaca falls between wool and cashmere in tensile strength, but outperforms both in moisture resistance — alpaca fibers repel water at the surface level due to their smooth, scale-reduced structure.
Here is where the honest conversation begins.
Cashmere pills. Those small fiber balls that form on the surface of a sweater or throw after a few weeks of use — that is cashmere doing what cashmere does. The fibers are short and fine, which gives them their softness but also makes them prone to tangling. Higher quality cashmere pills less, but all cashmere pills eventually.
Wool holds its shape. A well-made wool blanket will look essentially the same in ten years as it did on the day you bought it. It resists compression, bounces back from folding, and the crimp structure gives it a memory that cashmere and alpaca lack. The Herringbone Cashmere Blend Throw is an example of how we try to get the best of both — cashmere softness with wool structure.
Alpaca stays warm when wet. This is the one thing alpaca does better than both wool and cashmere. Its hollow fiber traps warm air even in damp conditions. If you live somewhere humid, or you want something that performs in rain, alpaca has a real structural advantage.
How they age
Cashmere gets softer with time but loses body. After two or three years of regular use, a cashmere scarf thins out. This is not a defect — it is the nature of a short, fine fiber reaching the end of its useful life under friction.
Wool gets better. The fiber compresses slightly, the surface develops a patina, and the piece becomes more distinctly yours. We have customers who have used their Heritage Cabin Blanket for years, and the consistent feedback is the same: it feels better now than when it was new.
Alpaca holds steady. It does not improve dramatically, but it does not degrade either. A well-maintained alpaca piece looks and feels almost identical after five years of use. It is the most stable of the three fibers over time.
What about price?
Cashmere commands the highest price per gram, driven by scarcity — one goat, one scarf per year. Whether that premium is "worth it" depends on whether you value initial softness above longevity.
Alpaca sits in the middle. Less scarce than cashmere but more specialized than wool. The cost reflects the fiber quality and limited supply chain rather than marketing.
Wool offers the most value per dollar in terms of warmth, durability, and versatility. A Mongolian wool blanket at $150 will outlast a $400 cashmere throw in both warmth and structural integrity. That is not a knock on cashmere. It is just what the fibers do.
So which one should you choose?
There is no single answer. But there is a framework.
Choose cashmere when softness against skin is the priority — scarves worn at the neck, shawls that drape over bare shoulders, bed socks for the end of the day. The Pure Cashmere Bed Socks exist because some moments call for the softest thing available, and nothing else will do.
Choose alpaca when warmth matters and weight does not. Beanies, lightweight layers, pieces you will wear in unpredictable weather. Alpaca earns its place in the cold.
Choose wool when you want something that will be there in five years. Blankets, throws, scarves you reach for every morning without thinking. Wool is the workhorse — not because it is less refined, but because it was built to last.
Most people, once they understand the differences, end up reaching for all three — at different times, for different reasons. That is not indecision. That is knowing what each fiber is for.
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Explore by fiber
- Scarves & Shawls — Wool, cashmere, and alpaca
- Home & Accessories — Blankets and throws
- Hats & Headwear — Alpaca and wool
- Socks & Gloves — Cashmere and wool
Frequently Asked Questions
Is cashmere better than wool?
Cashmere is softer than wool (14-19 microns vs 20-30 microns for standard wool), but wool is significantly more durable. Wool fibers can bend over 20,000 times before breaking, compared to roughly 8,000 for cashmere. For blankets and everyday accessories, wool typically offers better long-term value. For next-to-skin softness, cashmere is unmatched.
Is alpaca warmer than cashmere?
Yes. Alpaca fiber is naturally hollow, which traps more warm air per gram than cashmere's solid fiber structure. Alpaca also retains warmth when wet, while cashmere loses insulating capacity in damp conditions. For cold, humid climates, alpaca outperforms cashmere in thermal regulation.
Why is cashmere so expensive?
Scarcity. A single cashmere goat produces only 150-200 grams of usable fiber per year — enough for approximately one scarf. By comparison, a sheep produces 2-5 kilograms of usable wool annually. The limited supply, combined with the labor-intensive combing process required to harvest cashmere, drives the price premium.
Which natural fiber lasts the longest?
Wool, particularly Mongolian and Merino wool. Wool fibers have a natural crimp structure that gives them elasticity and shape memory, allowing wool pieces to maintain their form for decades with proper care. Alpaca is the second most durable, followed by cashmere.
Part of our textile knowledge series: The Complete Material Guide | Natural Fiber Care Guide