The prAna Andrea Sun Hat is earth and travel friendly. This wide brimmed and breathable 100% organic cotton hat folds easily when packing and is UPF rated for sun protection. One size fits most, thanks to an adjustable internal drawstring. 100% organic cotton shell with 100% cotton lining. Breathable, organic cotton sun hat. 5 12.7cm brim offers full coverage sun protection. Floral print lining. Adjustable drawstring at inside sweatband for a perfect fit. UPF 50 sun protection. One size fits most.