Material Polyester size 23*25cm weight 0.1kg Material stretchy polyester fabric & soft-spun knitted Best cap The winter set are made of high quality stretchy polyester fabric & soft-spun knitted, extremely comfortable and soft. Winter cap They have great heat collection performance that can offer maximum heat retention, long-lasting and warmest men winter hat. Design Designed with a fluff lined hat, the set will keep your ears and head warm. Top use These warm stretchy winter hat can cover your head, ears, face with super warmth and windproof. Enjoy your good time during hiking, camping, skiing, cycling running, skating, snowshoeing and other sports.