The original headband used the world over by cyclists and many other sportsmen.Halo� Headbands perform better than any other headband on the market. Keep sweat and sunscreen out of your eyes and off your glasses while racing, training, or working out. All products feature a water-tight seal which keeps sweat out of your eyes. The non-slip surface keeps the band in place. High performance Dryline Fabric quickly evaporates moisture so you stay dry and comfortable. All are lightweight, durable and abrasion resistant which will not lose shape. Hand or machine washable. One size fits all.No elastic to wear out, works great under helmets and with it's easy to use pullover design, the Halo� II is the Number 1 best selling Halo� product. Sweat Block TechnologyPullover designWorks great under Helmets