While it’s unlikely your belt will get very dirty you can still wipe it down with a damp cloth as needed.If you sweat a lot and want to keep it fresh you can wipe down after each use to avoid any build-up.Extra wide 5” belt with 3” support strap stabilizes lower back and abdomen during heavy liftingBreathable plush tricot liningFlexible ultra-light foam core under abrasion-resistant nylon skin maintains muscle warmthHeavy gauge steel tensioning buckle customizes fit.