"UPF 50+ - blocks 98% of UVA/UVB rays " FABRIC: Waxed Cotton bucket hat - will develop a rugged finish with wear FEATURES: Internal sweatband, double chin cord for custom fit, floatable brim and vent panel on back of crown for increased ventilation; Snaps on brim for adjustable coverage and style, water repellent and quick drying; Approx. circumference: 22 1/2 inches (S/M) 23 1/2 inches (L/XL) 25 inches (XXL), 3 1/2 inch brim; Hand wash with cold water, line dry; Imported RECOMMENDED FOR: everyday leisure, gathering with friends, strolling the city and enjoying an al fresco lunch NOT RECOMMENDED FOR: swimming, not chlorine and salt water resistant or water repellent