The thicker knitted beanies are windproof and locked temperature.These beanies are suitable for men and women whose head circumference is approx 18.3-22.8 inches. Women beanie hat could be stretched to several times bigger to make it fits well even for those who have a big head size.Our winter hats are equipped with earflap, the beanie generates great protection for your ears and head in winter. Cover your ears and keep your head warm and dry.