HEAT REJECTED UMBRELLA: Double layer Design and The Top Layer Can Be Turned Up, It's Vented Which Keeps Him Cool Working Out in the Sun ; silver coating fabric reflects heat to cool you at outdoors. and The umbrella hat Also Can be Used in the Rain Day to keep you dry. OVERSIZED - 37’’ Diameter Wide Enough to give you much coverage - keeps the sun and rain from getting anywhere close to your neck and shoulders.When collapsed, it looks like a travel-size umbrella. FIT MOST - This hat features an elastic headband stretches big enough to fit a adult head 7.1-7.9inch. and a Spring-Stop Lanyard Cord Lock Make it tightly in place under your chin even in wind. EASY to USE & DURABLE - Pull the rope on the top to open;press the button when you close the umbrella as normal one does it will automatically retract; 7 metal ribs makes umbrella very strong Widely Application - Wear this umbrella hat in the rain or shine to keep your hands free. Suitable for gardening, hiking, farming, golfing and Halloween costume etc. This hat is a great personal sunshade at the beach or for fishing Too.