Beneunder's Sun Protection Duckbill Cap features a 12cm ear-covering banana leaf brim, providing all-around sun protection from the head to the chin. The brim is equipped with the all-new Eco-Friendly Ventilation Technology 3.0,, it blocks harmful rays across various spectrums, offering more than just UPF50+ sun protection – it effectively combats photoaging. The cap body is crafted from lightweight checkered water-soluble yarn, ensuring efficient heat dissipation. Additionally, the upgraded ultra-thin sweatband enhances breathability by +20% and cooling performance by +33%, delivering a lasting and comfortable wearing experience. Product Highlights: High-level sun protection, anti-photoaging, UPF50+ UV blocking rate ≥99% 12cm ear-covering banana leaf brim for comprehensive shading and sun protection for the head, face, and ears Black Rubber Composite Technology, blocking rate ≥99.99% Black Rubber Original Yarn Technology, maintains sun protection even after multiple washes Cooling and breathable, avoiding discomfort from heat Product Technology: Anti-Stuffy Anti-UV