Product color: As shown in the figure Product material:EVA+Polyester+cotton product features: Anti-ultraviolet: Polyester +cotton material is not stuffy and absorbs sweat. , UV protection UPF50+, can block strong sunlight in autumn and summer, not to mention the face, the back of the neck and the ears are protected from sunburn, it is a must-have hat for sun protection when going out. Head circumference: 55cm ~ 57 cm adjustable size. Suitable for most people. Hat-type helmet: This simple hat-type helmet is an innovative product made for you who pursue fashion and safety. It cleverly combines the comfort of the hat and the protection function of the helmet, which is very suitable for partners going out in spring and summer. The helmet is detachable. Suitable for various occasions: In addition to driving a bicycle, it can also be used in dangerous work sites with flying, falling, and protruding objects. It can be used in various occasions such as light work, machinery, business, warehouses, factories, running, hiking, mountaineering, camping, fishing, baseball games and other outdoor activities. Lightweight design, easy to carry. CE safety standard: Even if it looks like an ordinary hat, it has basic helmet protection functions. High-strength buffer material is used inside to effectively protect the head in case of falls or collisions. Obtained the CE mark (EN812, EN1078), which is a strict European safety standard. Conforms to the same safety standards as firefighter helmets. Reaches the standard value of withstanding 1.5t impact. The protective lining is removable, and can also be used as a bicycle helmet or disaster prevention equipment. The removable inner guard prevents head injuries or abrasions. Precautions: 1. As we all know , the different computers display colors differently, the color of the actual item may vary slightly from the following images. 2. If you feel difficult to choose the size, you can contact us at any time. We will give you some suggestions, but for your reference only. Shipment includes: 1 pc helmet hat