brainwaveCorrect. The synthetics are in there for stretch, mostly. Socks that are 100% animal fibers do exist, but besides being much more expensive, they typically need to be purchased in sizes (like 8, 9, 10, etc). Here's an example:
https://www.hangerproject.com/ultra-fine-merino-wool-socks.html
Even the super popular Darn Tough socks we're running are only 45% animal fibers, and they have to come in 4 sizes.
https://www.massdrop.com/buy/darn-tough-work-socks
Hope that clears it up a bit!
Welcome to the men's style community, @ThatGuy333! Here's my response from page 1 regarding synthetics in case you missed it ;)
"The synthetics are in there for stretch, mostly. Socks that are 100% animal fibers do exist, but besides being much more expensive, they typically need to be purchased in sizes (like 8, 9, 10, etc). Here's an example:
https://www.hangerproject.com/ultra-fine-merino-wool-socks.html
Even the super popular Darn Tough socks we're running are only 45% animal fibers, and they have to come in 4 sizes.
https://www.massdrop.com/buy/darn-tough-work-socks
Hope that clears it up a bit!"