Since we're on the topic, I usually wash all my wool, darks, and synthetics together on cold with Doctor Bronner's and tumble dry med heat perm press. Doctor Bronner's is a great laundry detergent. Multi-use in the home!
Alright, so now Eugene has made me concerned about using the meshes for a CT thru-hike. I'm also considering the Defeet wooleators that Skurka likes, has anyone had both those socks?
EDIT: FWIW, I just compared DTV Low cushion, DTV 1/4 mesh, and Defeet wooleators in a store. The DTV mesh and the wooleator were very close as far as thickness and lack of cushion. The DTVs do have an elastic arch, which I like.