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Free ReturnsThicker and warmer, The Medium Rugged is built on tiered construction- our fine gauge merino wool along the bottom, a more durable knit across the top. By adding performance features where your foot needs them, we enhanced the ‘custom-fit-feel’ of our patented knitting structures. A workhorse. Hike, Climb, March, Work, Move
Engineered for Whole Foot Comfort
Designed for stay-dry breathability & performance
No uncomfortable bunching, slipping, or rubbing
Extra padding in active zones: toe, arch, & heel
Quality-made in the USA & guaranteed to last
All our socks are made with 18.5m superfine knit, suit-grade performance Merino wool.
Our custom blend of man-made fibers selected for the best breathability and fit.
United StatesI’m never buying another sock. These are the best, very comfortable and durable!
United StatesI am 80 years old and I live in Montana. I walk on a trail everyday so I was looking for some socks that would give me protection as well as cushion…long story short your socks are GREAT!! Love them! Thanks…
United StatesI like the medium rugged socks a lot. I always ordered the Light Hiker sock but was referred to this one. They are just a little heavier, not much. Love the feel how they hug your feet even after so many washings.
United StatesHave been a satisfied for multiple years and will continue to purchase Fits as needed
United StatesThese socks really are my favorites! I wear them for everything from kayaking on frigid New Year's Day to lounging around the house to running errands and working. They hold up so well over time. I know I don't need as many pairs as I have, but I just can't go without them!
United States United States United States
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.)
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.
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.
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.
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.
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.
