Hook and Loop closure Eyelet fabric out shell and thermal fleece lining. Has both windproof, breathable and thermal protection functions Face mask with ear flap together, protect your mouth, nose, ear in the chilly winter Air Vents around the nose and mouth increase breathability. Suitable for motorcycling, running, walking, skiing and other outdoor sports Velcro design help you to adjust the face mask to the ideal size and will not pull your hair. Very lightweight and easy to store Suitable for the head circumference of 58-64cm(22.8-25.2inches), please measure your circumference between nose and occipital bone Your Choice Unisex-Adult Ear-Flap Half Face Mask for Cycling Black - BRU4PV9PD