Safety tips: Put a survival card in this zip pocket, enter the information on the card and put the card in the pocket. Once you are in dangerous and unconsciousness, other people can quickly help you through the card. Cleaning: It is best to wash by hand so as not to affect the heat performance. Drying: Put the gloves in the dryer for at least one hour if they are difficult to dry. You can use a shoe dryer or a hair dryer.