The PEET(r) Original shoe and boot dryer is portable so you can dry your footwear at your campsite. The PEET(r) DryPorts(tm) circulate air for thorough drying, and the gentle thermal convection rises through AirChambers to dry footwear naturally. It eliminates odors caused by perspiration and bacteria and removes contaminants like viruses and mold that can cause skin irritation and deterioration of materials.