1、Protective Sun Protection: Fly resistant design with breathable and perspirant mesh on top, the mesh spreads quickly, dries after absorption, and maintains a refreshing environment. 2、Fixed Rope Can be Loaded and Unloaded at Will: The back of the hat can be adjusted according to the size of the head, and the protective side cover and the front protective surface cover can be added and excluded at will according to the actual outdoor environment. 3、Ergonomic Design: 360 degree fitting head wrap to protect your head from sun damage, suitable for outdoor, hiking, camping, walking in the outdoors. 4、For Leisure and Outdoor: UV protection, comfortable and breathable, hiking leisure outdoor use, both sides with a ring button design can be removed at any time, the back cover edge can be easily removed when not using the back cover. 5、Buckle can be Freely Adjusted: The hat design has a windproof rope, outdoor activities do not have to worry about being blown away by the wind, the buckle can be freely adjusted. UPF50+ factor, excellent UV resistance to prevent sunburn. 6、With Breathable Splicing Net: There is a breathable splicing net in the middle of the hat, which is convenient for breathing smoothly during strenuous exercise and can prevent particle from entering the mouth and nose.