Providing 360-degree coverage with 50+ UPF sun protection, the Reversible Capilene® Silkweight Hat is quick-drying and highly packable. The sun hat is made of 4.6-oz 94% polyester (35% recycled)/6% spandex fabric with Polygiene® permanent odor control to keep it fresh for extended outings. Reversible style, with brim in front and neck coverage in back; elasticized back provides a secure fit. Breakaway chin strap is safer for babies. Fair Trade Certified™ sewn.