One size fits most head circumference:21.2"-23.2"(54cm-59cm) Fits for men and women Stretchy and Soft: Acrylic fabric is very elastic and can be stretched several times, stretch ability allows you to let it stay on your head, no matter what the size of form is Warm Effect: The beanie is designed especially to keep your head warm Daily Style: The ski beanie is suitable for both casual wearing in daily life, indoors and outdoors activities, perfect to go skiing, sledding, ice skating, ski snowboarding, camping, running, walking, riding and more