Size:The circumference of the hat is 21.6-22.8"/55~58cm,the brim length is 5.9"/15cm, and the hat depth is 3.9"/10cm. Material:This double-sided fisherman hat is made of 65% cotton and 35% polyester fiber, which is comfortable,breathable,and has excellent sun protection effect. Fashion:The double-sided wearable design means that there are two types of hats that can be freely paired with any clothes,making it easy to fold,store, and travel. Design:The widened brim design can better protect your face from sunlight.Paired with windproof ropes, it can achieve better fit and stability. Occasions:Suitable for daily wear,gatherings,beach vacations and cruises,as well as summer cycling,fishing and hiking,beaches,parks or swimming pools,camping,gardening,dog walking,vacations,honeymoons.