Size 10 what size sock? I'm 43 vibram five finger
263341
My best guess would be Medium. I wear a size 8.5 shoe and the small size sock fits perfectly
1006518
I'd go with the next size up. I wear heavy socks in winter and my size 10's just (no wiggle room) fit. If you plan on wearing heavy socks, upsizing is my choice.
295084
I'm a medium size guy, 5'-8" @ 140# with medium size hands. I order medium size PI gloves and the fit is just right, not to big, not to small. This is my fifth or sixth pair and the fit has been the same. My circumference is 9".
2117452
I don't really know,but I would think sock size. I did not have a good experience with this product.
133491
If you go to the ToeSox website there is a size chart. I am a size 7.5 and I got a small and they fit great. According to the size chart Medium socks are for 8.5-10.5 size shoe and Large Socks are for 11-13 size shoe.
856963
I did not find one. My spouse wears a size 10.5 shoe and I bought the next to the largest size sock which fit. He loved these socks at first but is now saying they are cramping his toes so I bought the largest size and he is still having that problem. These socks hug the foot so if you are not comfortable with "snug" do not buy.
1213596
I am a man and I got the xl. My foot is a 9 and they fit perfect. Probably a lrg or medium. They are sort of one size fits all in some ways because the toes are open. I love these socks. I sleep in them and feet feel awesome in morning.
951058
Don't know about actual sizing, my husband wears a 10 narrow. these are his favorite socks of all time. We also give them as gifts for adult nephews. Really,really a good buy.
542712
This should help, I found sizing on a different siteGrip-Ons Sizes: Medium: Men's 5.5 - 7 or Women's 6 - 10 Large: Men's 7.5 - 10 or Women's 10.5 - 13 X-Large: Men's 10.5 - 13 or Women's 13.5 - 16
25243
I wear 9.5 mens also and I got the medium pair. They fit very well for my feet. They are stretchy so they can fit multiple sizes
769176
I also wear a Men's 10.5 and these socks are large enough for my feet. Be aware that, by their very nature, they will feel tight . . . especially since they spread your toes so much.
381518
I wear size 10. The size 10 that I received has room for a light wool sock for winter wear.
333119
for anyone asking for the right size of your "socks" - just use the calculator on autosock page: http://www.autosock.com/?aid=9079256
192048
I'm between a 10-10.5 and I originally ordered 43 and they were small. I ended up getting 45 and fits perfect. I might go .5-1 bigger in this shoe than you normally would.
1731716
I wear between a 9 and 9.5 US and ordered a size 43, which fit fine. I would order the 44, and plan to wear thicker socks initially.
1677637
I wear a size 11 running shoe and comfortably wear large socks. A medium sock would likely fit you pretty well. These are great socks... best wishes.
1967501
Mine was a medium and I use 9.5 in shoes. It adjusts pretty easily so I would say medium for 10.5 shoe size.