100% cotton. Made in China. Dry clean only. Adjustable back strap. 6-panel styling with ventilating eyelets. Front embroidered logo. Intentional fading. Brim measures approx 2.9" in lengthOS measures approx 23.5" in circumference. Our Style No. ATTF-WA98. Manufacturer Style No. SPEWAC00046 CCC138OU.