Complete your kit with Ashva's sport face mask. Protect your community as well as yourself, while you exercise, work, or run errands. You will not loose it (fly away) if you pull it down while exercising like the ones around the ear. One size fits most Opening for a filter Around the neck fitting to facilitate pulling up and down to drink or have your nutrition. Comfortable to wear during exercise Soft fabric 2 layers for more protection Reusable & Washable