I learned before going on a 77 mile trek that it would be good to have liners along with wool socks. I am slightly blister prone, so I wanted to do the best for my foot. 77 miles and no blisters!!! I was a happy camper. They do wear relatively fast, but they are thin and so this is almost a given. I still have some wear in mine (I used 2 sets over those 77 miles) and am VERY happy with this p
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