Self: 97% cotton, 3% elastane Strap: 100% cow leather; Made in Vietnam; Hand wash; Twill fabric with Polo Ralph Lauren logo embroidery at front and back; Adjustable leather back strap; Brim measures approx 2.75" in length OS measures approx 23.55" in circumference; Revolve Style No. PLAU-MA66; Manufacturer Style No. 710834737019