Shrink Your Socks to Fit Better: A How-To Guide (2022) - SocksMad
How To Shrink Socks That Are Too Big - Quick & Simple Guide
Do Merino Wool Socks Shrink in The Washer and Dryer? - The Hiking Authority
A lot of my socks seem to shrink after washing and drying, but only one sock in a pair. These were brand new and washed once. This is the most extreme case