This women’s raffia sun hat is light on your head even on a hot day in the direct sun. This sun hat has a tightly woven yet flexible brim, and a “crushable” loosely woven crown.The raffia weave is breathable even while it is blocking more than 95% of UVA and UVB rays. The outside of the crown is encircled with a natural raffia tie and bow. Inside the crown there is a tie for adjusting the fit of your hat. 4" brim. One size fits most.