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How to measure hat size like a pro: A simple guide for men

The ultimate guide to measuring hats for a perfect fit every time

Man wearing a beanie
jamaludinyusuppp / Shutterstock

Whether you’re a man rocking a fitted running cap, a comfy beanie, or a classic fedora, there is one common denominator: A well-sized hat can take your look to the next level. But what are the components of determining hat size? When is it imperative to have a proper fit? Fret no longer, gentlemen, because after reading this guide, you will know the ins and outs of how to measure hat size like a professional, allowing you to wear your favorite hats and caps with confidence.

Step 1: Grab a tape measure

Measuring your head for the perfect hat.
Sergieiev / Shutterstock

One of the basics you’re going to need is a tape measure to start measuring the circumference of your head. Begin by wrapping a flexible tape measure around your head, with actual tape measure approximately an inch above the eyebrows. Be sure the tape runs just above your ears and just below the bump that sits at the back of your skull. This is the spot that keeps your hats positioned just right.

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If you are in a bind and don’t happen to have a tape measure around, be creative and use a piece of string and use the same steps, measuring the string against a ruler. To make the process as easy as possible, do the measuring in front of a mirror or ask a friend for a hand.

Step 2: Jot down your measurements

Measuring tape
N.Petrosyan / Shutterstock

Once you’ve marked off your measurements, be sure to write them down in centimeters and inches because, depending on the brand, you might find the sizes only using the metric system or only the imperial. If you have both numbers on standby, you can save yourself a headache when shopping for the next hat to add to your collection. If you end up with a measurement that’s between sizes, always opt for the size up. It’s better to have more room than not enough, as a tight cap can be very uncomfortable.

Step 3: Understanding the one-size-fits-all system of measurement

Oftentimes, you are likely to see a hat labeled as “one size fits all.” This label generally applies to more relaxed styles of hats like beanies or hats with elastic bands designed to fit head circumferences within a certain range — usually between 54 and 61 centimeters. While these fit most men just fine, if you have a particularly small or large head, you may need to invest in a fitted version and avoid a potential fiasco.

While beanies are definitely more forgiving and versatile, adjustable styles like snapbacks or those with buckle closures offer a customizable fit that works for just about any head size. Learn how to wear a hat, have it sized properly, and then you will never be in doubt again.

Step 4: Adjusting for comfort

Panama hats of various styles and colors
Romo Lomo / Shutterstock

Some hat brands include cork bands that can go behind the inner band in order to make the fit even better. They aid in tightening or loosening caps to optimize comfort, so use them and adjust them until you find the best fit for your head. 

Why fit matters

A well-fitting cap goes beyond just about looking your best — it’s about feeling good as well. Whether you’re trekking on trails, lounging at a backyard BBQ, or just running around the city on errands, the perfect hat should be comfortable without squeezing your brain. So, gentlemen, grab your tape measure, find the correct size, and begin building a hat collection with confidence. Because at the end of the day, life is too short for ill-fitting hats!

Triston Brewer is a journalist, creative director, stylist, fashionisto, and jetsetting digital bon vivant. Brace yourself! Read Full Bio
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