Supposedly a life time warranty, but for The cash if we receive a 12 months or two from them we would be happy. To this point, we like them much better than merino as our feet seem to stay drier. They usually seem to be holding up perfectly. Running buddies: https://kameronkfwvo.oblogation.com/31796504/a-simple-key-for-sock-aid-for-compression-socks-unveiled