Stretchy for a cozy fit, best fit for 55-59cm 21.6"-23.2" 6 7/8- 7 3/8, suitable for lady, kids, teenagers, feminist adult. Cat ears hat, the pussycat ears feature looks fashionable and feminine on ladies or youth girls. Fleece lining is super soft and won't be scratchy at all. Skull beanie style, can cover and warm the ears,ideal gift for Halloween, Christmas, New year. Hand wash with cool water.