Paula is the classic dad cap with a summer spin. She's woven with an airy, breathable texture that's sure to keep you cool while you're in the sun. Brim: 2.75" Crown: 3" Breathable, packable, lightweight straw mesh. Adjustable clasp on the back of cap. This style is both foldable and packable and will rebound it's shape easily. This hat is made with UPF 50+ materials that block 98% of UVA and UVB rays