100% Natural Fiber. Nice open weave to allow every breeze to circulate. Large vents woven into the crown allow heat to escape & cooler air to blow in. Soft, moisture absorbent sweatband. A classic look for summer. Flexible 3" brim for sun protection. External leather headband with kangaroo logo. Very good used condition - no wear or tears (minor stains on sweatband). Size = Large.