UV Blocking Ponytail Back Straw Sun Hat w/ Adjustable Inner Drawstring - SPF 50+ 88% Paper Straw/12% Polyester One Size Fits Most up to 23 inches - Ponytail Back hat for Spring & Summer Inner drawstring included to adjust size of hat for a perfect fit! SPF 50+ protection rating - Blocks 88% UVA/UVB - Excellent protection from the sun 4 inch wide brim protects, face, nose, ears & neck from harmful UV rays Small back lets you wear a ponytail or braid comfortably