How often should I wash the Hex? Rebecca You November 29, 2018 22:44 Updated Follow We suggest washing the Hex using a damp cloth with soap whenever you see fit. Also, wash the strap by hand as well. Related articles Can I wear the Hex under tights? What SmO2 Display Views are available? How do I wear the Hex? How do I see the Hex data on my Garmin? Can heart rate monitors be paired to the Humon app? Comments 0 comments Article is closed for comments.