• Always the right fit: The women's winter cap comes in size XS/S. • Ponytail hat with vertical opening: The innovative 15 cm vertical opening, with 2 snap buttons, allows all hair to easily pass through, from high to low ponytails and straight to curly hair. • Foldable ear flap: The ear flaps help regulate body temperature, protecting the ears and neck, and fold up to cool down. • Warm, comfortable, and snug: The combination of overall 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 for friends and family.