• Always the right fit: The women's winter cap comes in size S/M, fitting most people. • Ponytail hat with vertical opening: The innovative vertical opening allows all hair to easily pass through, including high to low ponytails and straight or curly hair. • Foldable ear flap: The ear flaps help regulate body temperature, protecting the ears and neck. • Warm, comfortable, and snug: The combination of softness and 4-way stretch fleece fabric ensures a comfortable fit. • A winter must-have: Perfect for running, hiking, walking, and more. It is also an ideal gift.