On April 12th and 13th, all Duluth Trading Co retail store will be having an Underwear Trade-Up Event. You can get a FREE pair of Buck Naked underwear if you are one of the first 300 customers each day to bring in a pair of old underwear. The even starts as soon as the doors open at 10 a.m. local time. Locator

Additional Info

The first 300 customers in the store who trade in an old pair of underwear for a free new pair will also get a peel & reveal prize card with the opportunity to win underwear for life.