Cotton Sun Hat The Kiin cotton sun hat has been designed with comfort & sun safety as priority - made from 100% cotton and featuring a broad brim for excellent sun coverage. There are adjustable toggles at the back of the head & under the chin, to ensure a snug & secure fit, especially during play & windy weather! it's a must have for any outdoor adventures! The sun hat is available in 4 sizes available, and 6 on-trend colourways.