For pioneering innovation and eco-conscious running, the Janji Runterra Bio Tee sets precedence. Extremely soft and durable, this shirt uses special technologies to maintain thermal, vapor, and odor regulation during your run to keep you comfortable and smelling fresh.  Made with Runteerra fabric that is lightweight and versatile, you can throw this tee on before, during, and after your workout or run. Note that this short sleeve is not pre-shrunk and could shrink up to half a size.