http://www.jimmys-adventures.net/hiking-socks-rei/

How can I avoid getting blisters when hiking? I already use hiking socks from REI.?
Blisters happen when your foot moves in the boot. This is a sign the boots do not fit you correctly. They are either too large, too loose or the wrong shape for your foot. Get athletic foot beds custom fit for your foot to wear in your boots. This is much the same problem we have with ski boots. Custom Boot service in Seattle does a wonderful job. You must get to a top boot fitter to do the job correctly. The foot bed/ orthotic is great for making your feet happy when you are on them 6-10 hours a day. I wear them in my work boots and a different type in my ski boots.
Take your boots to a top boot shop and have them checked against your foot size and shape. The pain from blisters is not worth putting up with.
PCT Update: April 6, 2011