Normal shirts will get dirty and smelly after you wear them for a couple of days. The Wool&Prince shirt is a special one though. It can be worn for many days without needing to be washed. It lasts 6 times longer than cotton and is naturally anti-wrinkle and odor-fighting. Now whether you should wear the same shirt for weeks without cleaning it is your choice. But if you like to support these guys, head on to Kickstarter.