Using these Baffin winter boots is easy. First, adjust the side - to - side laces with the toggle to fit your feet snugly. They're great for moderate to high - activity winter outings when the temperature drops as low as - 40°C/-40°F. Remember, the inner boot is removable, so you can take it out to dry if it gets wet. As for maintenance, after each use, wipe the boots clean with a damp cloth. If they're really dirty, you can use a mild soap. Let them air - dry naturally, away from direct heat sources. Keep them in a cool, dry place when not in use, and they'll serve you well for many winters.