For a workday measured in acres, not hours.
There's hard work to be done under the great wide open, and the Rio Flex makes sure you see it through. Available in square or round toe, the Rio Flex is a Western-style pull-on boot made for building, repairing, maintaining and caring for a job site that puts food on thousands, if not millions of tables.
Heavy-Duty Work Boots Ideal For:
Construction, Manufacturing, Oil and Gas, Farming and Ranching
The Workhorse of the West
Stay comfortable and locked in all day. The Rio Flex’s Dynamic Fit System makes for easy on, easy off, with wide stretch panels that allow comfortable and flexible movement throughout the day. Inside, your foot stays securely in place – no slipping, sliding, or sloppy fits.



Find A Retailer
Stop in today and step into the best fitting boots of your life at your local Red Wing Store