Size: Hat size about 60CM. Weight: 0.1kg Adjustable elastic drawstring at the back, one size fits most adults. Men's casual sun hat, sporty style, cool and comfortable fit. Unisex Outdoor Sunscreen Sun Hat: Sun protection and waterproof. 8cm wide brim, excellent UPF 50+ sun protection. It protects your face and neck from UV rays. Closure: Drawstring Breathable and soft: the adjustable chin keeps the hat in place even in windy or rainy weather. Includes an internal sweatband that wicks away moisture. The inner mesh crown keeps your head cool and ventilated. Lightweight: easy to carry and compact, you save a lot of space. Hat weight 0.10 kg. It's a perfect hat for the beach, pool, park, fishing, hiking, camping, traveling, hunting, gardening or any other outdoor sport or activity.