Started from a T-shirt design competition, Threadless is an innovative clothing and accessories company that emphasizes artistic design and collaborative effort. While checking out Threadless deals, shoppers can submit their own designs online and vote on others' designs. The top 10 designs weekly are printed on Threadless merchandise such as T's, tops, tanks and hoodies for men, women and kids; wall art; kitchen items like aprons and lunchboxes; technology accessories; and pet items. Use Threadless coupons to purchase items designed by budding artists or Threadless designer collections like Sesame Street; the Muppets and Minecraft. Be sure to spend $45 to get free shipping.