This helmet is Ultralight climbing helmet built for tough ascents! Known for its superior performance, comfort, lightness and stylish design, KAILAS climbing helmets are the first choice for rock climbing enthusiasts. The design of this helmet is inspired by the beauty of nature, and its simple look and bright colors make it a great accessory for your outdoor adventures. The Amazon Keller Stone Climbing Helmet is made of high-quality materials to ensure your safety and comfort, and our products undergo strict quality control to ensure your satisfaction. The inner lining of the KAILAS climbing helmet is made of soft, breathable material, which can provide you with a comfortable wearing experience. Plus, the helmet has an adjustable head circumference to accommodate different head shapes, ensuring you'll always be comfortable climbing. As a professional climbing helmet, KAILAS climbing helmet has good ventilation performance, which can keep your head cool at high altitude or in hot weather.