ExOfficio BugsAway Cotton Sun Bucket Hat 100% Cotton Canvas Imported Special UPF 30 protection helps prevent over exposure to the sun. The flexible yet sturdy stay-put brim keeps the Sun Bucket in line. Constructed of durable, yet extremely lightweight 100% cotton canvas that's quick drying for long lasting comfort. Odorless insect repellent properties protect you in all outdoor situations where biting insects are concerned.