Self: 98% cotton, 2% elastane Contrast Fabric: 86% recycled polyester, 14% elastane Inner Front Panel & Sweat Band: 82% nylon, 18% Lycra® elastane; Spot clean only; Adjustable back strap; Twill cap; Brim measures approx 2.75" in length OS measures approx 25.12" in circumference; Made in Vietnam; Revolve Style No. LULR-WA2; Manufacturer Style No. LU9DB0S