I had one classmate in college that played rugby. I never understood the idea of football without protective pads but I always liked the fashionable rugby shirt.
Put on a rugby shirt with a pair of jeans for a weekend look. The rugby shirt can be worn over a polo shirt in the spring. You can substitute the jeans for a pair of khaki or denim shorts during the summer or wear it layered over a thermal shirt in the winter. This is truly an all season article of clothing.
Remember: Most rugby shirts are bright colored so keep a soft contrast by wearing a pair of jeans or khakis.