Cotton Material Made from pure cotton, this mask is gentle on the skin, making it suitable for sensitive skin types. Breathability Crafted with a breathable fabric, this mask allows for comfortable wear during physical activities like cycling and running. High Elasticity The West Biking Winter Children's Warm Mask boasts high elasticity, ensuring a snug fit for various head sizes. Solid Pattern Its solid pattern adds a touch of simplicity and style to your child's outdoor gear. Windproof Fleece Equipped with windproof fleece, this headgear provides exceptional protection against cold winds during outdoor activities.