What the Super Numbers on Suits Mean—and Why They Really Don’t Mean That Much
What Do The Super Numbers on Suits Mean?
The Top 3 Things You Need to Know About Super Numbers and How to Pick the Right Fabric for Your New Custom Suit.
Those super numbers—i.e., Super 120s, Super 130s, Super 150s—appear frequently on suit labels. These numbers purportedly denote the overall quality of a suit’s fabric and usually dictate the price (the higher the super number, the higher the price). But what do those super numbers actually mean, and do they even matter?
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A Glen-Plaid Jacket made of Super 140’s Loro Piana fabric
Let’s face it: high super numbers sound good. After you read this article, it may not sound as though we agree with their appeal (for the record, we do). Still, the siren call of the high super number is undeniable.
Have you ever walked through the Neiman Marcus men’s suiting floor to check out their Brioni and Kiton section to touch their ultra-rare (and phenomenally expensive) Super 160’s, Super 180s, Super 200s, and Super 220s suiting? You should.
The fabrics glide through your fingers. The perfection and mastery of each seam beguiles. Just imagining all the tailoring hours required to make every stitch at just the right tension on such delicate, soft fabrics is mind blowing #suitporn. These suits are Holy-Grail items, with prices to match: $9,000-$10,000, plus or minus.
I make suits for a living—building a Super 200s-plus suit is well within my capabilities. I just find it hard to justify the cost (or the need, for that matter). Those super numbers seem to say a lot, but they don’t actually mean much.
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The Three Things You Need to Know about Super Numbers:
Super Numbers Have Nothing to do With Thread Count
Contrary to popular belief, super numbers do not refer to thread count. But what do they actually show?
The super numbers found on suiting fabrics are a grading system used to denote the fineness of the sheep’s-wool fiber. This fiber is then twisted to make the fabric’s yarn, the yarn is then woven to make the fabric. In other words, when a sheep is shorn, the wool processors examine the wool and grade it. The slimmer (finer) it is (measured in microns), the higher the super numbers become. Certain sheep are bred to produce finer wool, and generally, the finer the fiber, the rarer the stock. Hence, the higher the super number, the more expensive the suit.
The super number represents supply versus perceived demand more than anything else.
2. Higher Super Numbers Do Not Mean the Fabric is Better.
Does a higher super number mean its better?
For the most part, nope. Actually, no relation exists between a fabric’s super number and its quality. A high super number does denote exclusivity, because something like a Super 220s fabric contains some of the rarest wool fibers available. In fact, a Super 220s fabric cost about $1,000 per yard wholesale (bear in mind that an average-sized suit usually requires 3.75 yards—more, if the fabric has a pattern). So, before a bespoke suit maker spends any time cutting or tailoring, that company is already into the suit for at least $3,750. The profit margin, together with labor, will more than double the cost of the wholesale raw materials.
Paramount among the challenges of high-super-number fabrics: these textiles are incredibly temperamental and hard to care for. The thin fibers may have an amazing hand, but they break down far quicker than heftier fibers. High-super-number suits aren’t meant for wearing week in and week out. In a lot of ways, having a suit made from a Super 220s fabric is like buying a Bugatti Veyron. Yes, it has a ton of horsepower, but what does it matter? You can’t drive it on the street because the first pothole or Starbucks driveway dip will bottom out your car and rip up your exhaust.
3. Super Numbers are Completely Unregulated
Is it worth it to buy a high super number suit?
It’s easy to fall in love with that super number, but it’s important to take it with a grain of salt. No one regulates super numbers’ usage: any mill can call any fabric any super number it wants. Some mills even use super numbers to denote the fibers used on their synthetics—the tag might say “Super 200s”… with a wool designation conspicuously missing. It’s also common to use short but high-micron fibers to achieve a high super number. These fibers are often rejected by quality fabric mills because short-staple fibers don’t make very durable yarn. Shady mills buy up these lesser fibers in order to produce high-super-number fabrics. These misleadingly labeled textiles are hard to tailor (because the weaves aren’t stable) and even harder to care for (because every wearing and pressing breaks down short fibers quicker than long-staple fibers).
Left to Right: Utopia Super 180’s, Vitalli Barberis Super 160’s, Scabal Vitality Super 130’s
Choose a Fabric for your Suit based on How You’re gonna wear it
We tell our clients that suiting fabric is best selected by need.
Far more goes into making a quality suiting fabric than the super number, but because it is the most tangible value, it’s often considered first.
Some general guidelines for choosing fabric via super number:
Day-in, day-out wear: Super 110s – Super 120s
Most mills are capable of producing this grade of fabric well, because raw long-staple fibers in this range of breadth are readily available. This means that the quality yarns can be twisted tightly, making the fabric more wrinkle-resistant and durable.
Big meeting: Super 130s – Super 150s
This range of fibers represents the edge of the common stock. Roughly 30% of harvested wool falls into this category, making it fairly attainable but still possessed of a noticeable softness and richness compared to the Super 110s – Super 120s range. While a Super 150s might be too delicate for weekly wear, it will work as a power suit worn one to three times a month.
Only 3% of wool yields qualify as Super 160s and higher. These fibers are exceedingly rare and quite expensive. Suits made from these fabrics are to be worn sparingly. They look incredible when freshly pressed, but the fabric’s softness and drape tend to wear down and bag after a long day—no matter how precise the tailoring, suits made from high-super-number fabrics lose their shape swiftly.