Breathable fabric

while the water-resistant material will protect them from the weather

• Head circumference - 21 5/8" to 23 5/8"

• 6-panel unstructured cap with a low profile

• Head circumference - 21 5/8" to 23 5/8" (54

27 Number 27th Birthday Retro Men's Women's Trucker Hat Expo Lines Breathable fabricThis six panel trucker cap with a mesh back will be a comfy and classic choice for a perfect day in the sun. Structured, mid profile, six panel cap 60% cotton, 40% polyester* Hard buckram front panels Mesh back Permacurv visor, matching under visor Plastic adjustable closure 3. 5" crown (8. 9 cm) Head circumference 21 5 8" to 23 5 8" (54. 9 cm to 60 cm) *The percentage can change a little from hat to hat