4 Things You Didn’t Know About FITS - FITS®

May 30, 2018

FITS aren’t just for outdoor enthusiasts.

Sure, you can climb Mt. Everest in our Heavy Expedition Boot sock, but we’d be doing you a disservice if we didn’t let you know our socks double as house slippers. Especially any of our cushioned socks. Now you gotta try it, right!?

fits hikers on woman
You can wear FITS to a professional workplace.

When you think of FITS, your mind probably wanders around, imagining some of the craziest outdoor adventures, but the truth is, we make an incredibly lightweight business sock in five core colors. So, even if you work a 9 to 5 and like to hike, we’ve got you covered.

fits business socks in black

FITS are great for travel.

You probably think we’re going to say how great FITS are for traveling, because they’re, ya know, socks, they’re small, and they’re easy to pack. BUT, we actually want you to know that most of our socks are full compression (in addition to our actual “compression line”) which is great for long air travel, medical rehab, or even for people who are on their feet all day for work.

FITS Business socks being packed

They’re made of the highest quality merino wool in the world.

Our wool material is sourced from farms in the Midwest U.S., Australia, and New Zealand, which sounds pretty sweet even if we just stopped there, but we’ll tell you more. Our merino wool is a naturally antimicrobial, moisture wicking, fire-resistant fiber; it is one of nature’s most superior and versatile fibers. Mix that with our one-of-a-kind technology designs, and you now have the best fitting, most comfortable sock in the world...our guarantee!

fits product specs


Sock Sizing
women and men size chart

The Perfect Fit Starts With the Right Size.

Your sock size shouldn’t be a guessing game. Our socks range from small to double XL, but the best way to know the perfect fit for you is to match your shoe size to the chart on the left. That way, you’ll know the size you select will give you the fit and feel you expect.

Between sizes? Go with your gut, but rest assured that your socks will still fit great. If you receive your order and find yourself wishing you’d gone up or down a size, just let us know. We’ll happily send you replacements for your preferred size.

Concerned about laundry mix-ups? All FITS® socks are coordinated by color and size, based on the colors you see on the size chart. So, you won’t have to worry about mixing up your sizes with the other FITS® wearers in your home. (But stray socks mysteriously going missing in the dryer? Unfortunately, we can’t help with that.)


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The Light Hiker is perfect for everything from big adventures to everyday wear.
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How Do You Determine Sock Size?

Sock sizes are typically measured in inches, not by your shoe size. So, a sock size 6-8 will comfortably fit someone whose feet are between six and eight inches long. However, at FITS®, we make it easy for you to choose the ideal sock size without having to measure your foot. Simply use our sock size conversion chart based on your shoe size to select the right fit for you. 

How Do You Measure Your Foot for Socks?

To measure your foot for socks, measure the length from the heel of your foot to the tip of your longest toe. The measurement in inches correlates to your sock size. For example, if your foot is 10 inches long, a sock size 9-11 should fit you comfortably. At FITS®, you can skip this step and find your sock size based on your shoe size using our conversion chart. 

What Is the Sock Size Conversion?

The sock size conversion refers to sock size compared to shoe size. While all companies may vary slightly on which size socks to purchase based on your shoe size, you can always measure your foot to find the right fit for you. 

What is Sock Size to Shoe Size?

Because sock sizes are determined by the length of your foot in inches vs. your shoe size, shoe and sock sizes differ. The FITS® sock size to shoe size conversion is as follows:

Knowing this makes it easy to choose the ideal sock size based on your shoe size without measuring your foot. 

What Age is Sock Size 9-12?

Sock sizes typically don’t correlate with age. For kids, age can be a general indicator of what size sock they’ll need, but everyone is different. An adult sock size 9-12 fits anyone whose feet are approximately nine to twelve inches long. For kids’ sock sizing, check with the company to find exact details to ensure your little one gets the perfect fit. 

Got more questions about finding the perfect sock size for you? Let’s talk.



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