Sierra Trading Post offers four pairs of Wolverine Men's Full Cushion Crew Socks in Grey or White for $4.50. Even better, coupon code "ETJXR0517" bags free shipping. That's $1.13 per pair and the lowest price we could find for a 4-pack by $8. They're made in the USA and available in size L only. (They fit men's shoes sizes from 9 to 13.) Deal ends May 6.