Size: one standard size that fits everyone Ultra-resistant mask: Made with 100% polyester that is durable, flexible and lightweight to preserve mobility Filters pollution and dust Water-resistant Breathable & comfortable Suitable for all seasons Whether skateboarding, hunting, fishing, skiing, jogging or just exploring the urban landscape, this techwear accessory will keep you both fashionable and protected Technical Clothing: This face mask protects you from the elements and completes your tech