Bicycle Helmet Adult Ultralight Stylish Helmet Hat Helmet Breathable Protection Bike Helmet Cap Ladies Men School Fashionable Bike Sunscreen Bicycle Features: Size] Applicable head circumference: 56-60 cm. certification is of utmost importance, and this product has already undergone rigorous checks and obtained certification for its high standards, so can be guaranteed. Impact ResistanceThe cover with hard inner can effectively the head. The hard inner cover can effectively the head, providing reliable assurance. Sun ProtectionThe design protects the head from sunlight and rain. Effectively your eyes from the sun. Lightweight and comfortable to use, you will not feel tired. It is a fashionable hat and can be used for everyday outings. It is also recommended as sun protection. It uses a spring cord stopper design. Thanks to the spring cord stopper design, it is easy to wear. Various Usage SituationsCan be easily used in various situations such as biking, outdoor activities, baseball, sports, etc. It is a unisex bicycle helmet. Great for commuting to work, school, cycling, etc! : 1x Outdoor men's mountaineering hat Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!