Solumbra Ultra-Wide Rolled Brim Hat - 100+ SPF Sun Protective Solumbra - 100+ SPF Sun Protective Clothing & Accessories Made in USA FABRIC: Solumbra I: lightweight, non-stretch, wicking, woven CARE: Delicate: Hand wash then air dry SIZING (head circumference): S: 21"-21 7/8", M: 22"-22 7/8", L: 23"-23 7/8", XL: 24"-25 1/4"