Our Columbus Steel Blue T-shirt is a nod to the world-class tubing created since the 1930s by Columbus tubing. Columbus founder Angelo Luigi Colombo, had one cardinal rule: quality must be guaranteed at every step in the production process. A must-have shirt for any bike history lover's collection! A comfortable, cotton shirt for any day of the week. Can be worn alone or as a base layer under a jacket. Color: Steel Blue 100% Cotton Size-Chart