Occunomix Hard Hat Sweatbands 2X Are Made Of A Special Cellulose Material Designed To Absorb Maximum Perspiration. This Quality Sweat Band Fits Comfortably Under Hard Hats To Prevent Sweat From Running Down The User’S Face And Eyes, Keeping Them Dry And Focused Throughout The Hottest Days. The 2X Special Cellulose Sweat Band Is Thicker And More Porous Than Previous Models And Other Sweat Bands On The Market, Making This An Excellent Solution For Maximizing The Comfort And Productivity Of Workers In Hot Conditions.,One Size Fits Most