Connectyle unisex foldable running hat is made with water-repellent nylon fabric, it is easy to shed water quickly, keeping your head dry and comfortable, UPF 50+ rated material will protect your face and eyes from harmful UVA and UVB rays. Hook and loop fastener at back for easy adjustment, and stretch construction provides a comfortable fit. One size fits most head sizes about 22.4"-23.6"/57-60 cm. Reflective trim at center back of hat for increased visibility & safety in low light or after dark. Foldable 8cm/3.14" long visor, can packable flat into the pocket or backpack. Great for most outdoor activities and sports.