Men's socks and sock sizes, measure your foot
Short answer: Men's socks are best bought by foot length, and you measure it by standing the foot on a sheet of paper and measuring from heel to longest toe. Compare the number with the size guide for the socks you want to buy.
How to measure your foot for men's socks
Stand the foot on a sheet of paper and mark the heel and the longest toe. Measure the distance with a ruler, preferably late in the day when the foot is a little larger. You use that number when you compare with the size guide for men's socks, and you can write it down for next time.
Reading the size guide
Socks often come in size ranges, for example 40 to 43, and you choose the range your foot falls in. The size guide can look different between brands, so always use the one that belongs to the pair you want to buy. See bamboo socks for men for the selection.
Between two sizes
If you fall between two ranges, think about shoes and knit. If your shoes are snug, choose the smaller so the sock does not fold. If you have wide feet or prefer a looser fit, choose the larger. Try both and see what feels better after a whole day.
Fit at the heel
The heel should sit exactly where your heel is, without the fabric pulling or hanging. If it is too deep, the sock folds under the foot, and if it is too short, it is pulled up. When the heel sits right, the rest of the sock sits in place too, and you do not think about it.
Cuff and calf
The cuff should sit calmly around the ankle or calf without cutting in. If it leaves deep marks, it is too tight, and if it slides down, it is too loose. Choose a length that suits your shoes and clothes, and check that nothing presses when you sit.
Width and instep
If you have a high instep or a wide foot, watch out for socks that are too tight over the foot. Choose a size that leaves room and look for knit with a little stretch. If in doubt, try the next size up and see whether it fits better.
Measure again over time
Feet change with age and weight, so it can be a good idea to measure again now and then. A new measurement takes a minute and saves you from buying wrong next time. Note the number in your phone so you have it to hand when you shop.
The same size for all socks
Once you know your size, you can use it for the whole drawer. Also see all bamboo socks for men and bamboo underpants for men if you want to replace more at the same time. Write your sizes down so you do not have to guess every time.
Frequently asked questions
Should I measure both feet
Yes, for most people one foot is slightly larger than the other. Measure both and choose by the larger one.
Why should I measure late in the day
The foot often gets a little larger during the day. If you measure then, you get a number that fits the whole day.
Can socks shrink in the wash
Sometimes, especially at high heat. Wash by the care label and avoid the tumble dryer on high heat so the socks keep their size.
