Bamboo socks can shrink in the wash on high heat as it is recommended that you air dry and wash these by hand. This also keeps them soft and odor resistant, keeping them comfortable and smelling great. The material can shrink easily if you are not careful as it is very important to be careful when you are washing bamboo socks. 
All different kinds of bamboo socks shrink so be careful when you are handwashing bamboo socks. Rayon from bamboo is some of the highest quality material and if it doesn't shrink are some of the best socks on the market. Wash with warm water but not too warm as the high heat can shrink the socks. Air drying is the best way to dry these as the high heat from the drying machine could shrink them.
If you use the dryer, keep it on low heat to ensure that these socks won't shrink in the dryer. These are safe for the dryer just make sure that it's low heat and not high heat as that is what shrinks bamboo socks. Bamboo socks are great for any occasion and more breathable than other socks. These socks mostly likely won't shrink but with a high enough heat, they will shrink so be careful.
