Adjustable waist design, with elastic cord at waist, to adjust the waist effect, and adjust the desired wearing effect at any time. The brim is equipped with elastic drawstring, which can adjust the hat shape and provide better waterproof, rainproof and windproof functionality. Inner pocket design, important items can be placed in the inner pocket for safety. Elastic cuffs ensure a certain degree of warmth and waterproof effect. Small Oxford fabric, the upper body is straight and stylish without being loose, and has better windproof ability. The placket and pockets are waterproof zippers, which provide better waterproof performance. The overall style has a slight sense of light outdoors, and is suitable for daily commuting and leisure hiking.