Features:_x005F_x000D_Size:-37.4'diameter wide enough to keep your head and also the things you are carrying dry or shaded. Close as a usual umbrellas9.8 which is very portable._x005F_x000D_Design:Silver coating cloth top will bouncing sunlight off so it do not absorb heat much. There is a vent to facilitate ventilation which keeps you cooler from strong sunlight._x005F_x000D_Regulatable:This hat has an regulatable chin strap to help you wear it more comfortable and stable. Fit for heads that Between 21.6 -25.5inch55 - 65cm in circumference.Has a spring-stop lanyard cord lock to hold it tightly in place under your chin. For long-time use please take off for a while to rest or use headkerchief._x005F_x000D_Widely Used:Perfect for Gardening, Hiking, Fishing, Farming, Golfing, Photographing, Painting, Shooting, Mailman. Great Novelty Gift for your father, mother and friends._x005F_x000D_Service:If you have any question,please contact us to provide great service._x005F_x000D_Notice:_x005F_x000D_1.Actual color may be slightly different from the image due to different light effect_x005F_x000D_2.Please allow 1-3cm deviation due to manual measurement_x005F_x000D_Description:_x005F_x000D_Material:Polyester _x005F_x000D_Size:7795cmPackage List:_x005F_x000D_Umbrellas cap*1