The Hook & Tackle Lifeguard Stretch Fit Premium Straw Hat Blocks the Sun From Your Eyes While Keeping Your Head Cool. A portion of the proceeds is donated to the Shark Research & Conservation Program at the University of Miami Rosenstiel School of Marine & Atmospheric Science. Includes a Free Bonus Hat Mold for Perfect Product Shaping & Easy Storage. Product Details Description The University of Miami Shark Research Lifeguard stretch fit straw fishing hat will stop the sun's rays right in their tracks. It features a high quality straw, front woven UM Shark Research logo patch, University of Miami Shark Research logo under brim and interior crown, AEGIS® odor-resistant stretch fit headband, anti-glare under-visor and adjustable chin strap. Size M-L fits head sizes 23" - 23 1/2" and L-XL fits head sizes 23 3/4 " - 24 1/8". Hook & Tackle will donate a portion of the proceeds to the the Shark Research & Conservation Program at the University of Miami Rosenstiel School of Marine & Atmospheric Science. Features: Natural Premium Straw of the Highest Quality Officially Licensed Collegiate Product Front Woven Logo Patch Bonus Hat Mold for Perfect Product Shaping & Easy Storage. AEGIS® Odor-Resistant Stretch Fit Headband Printed Under Brim and Interior Crown Anti-Glare Under-Visor Adjustable Chin Strap Video