Mack Weldon is about the fusion between old-school quality and modern day technology. During their brand creation, they discovered Weldon, an early 20th century undergarment and sleepwear company that stood for innovation in both marketing and product design - very similar to the brand they were creating. They embraced the name, flipped it a bit and made it theirs. 35 Mack Weldon coupons, including Mack Weldon coupon codes & 35 deals for December 2017. Make use of Mack Weldon promo codes & sales in 2017 to get extra savings on top of the great offers already on mackweldon.com.