https://www.sportsmans.com/socks-bu.../cat130403?q=:topRating-desc:brand:Darn+Tough Sportsman's Warehouse is offering Select Socks (Pair): Darn Tough, Carhartt, Smartwool & More for Buy 1, Get 1 for $1 (discount reflected in cart when adding 2 pairs). Select free store pickup where available, otherwise shipping is free on $75+.