Adjustable! Fits All Ages These Umbrella Hats Feature A Strong Elastic Headband That Easily Adjusts To Your Head Without Being Too Tight, So Everyone From All Ages Including Adults, Men, Women, Children And Toddlers Can Enjoy. High ! Durable Folding Design Watermark Sun Umbrella Hats Are Really Great . Thats Because Each Hat Has A Strong Elastic Headband, Matched By Runner Components To Keep The Umbrellas Canopy Shape. The Nylon Fabric Is Carefully Stitched To Ensure The Best And Water-Resistance.