Efficient heat management 3D ventilation system and advanced mesh materials help manage heat and isolate sweat, delivering comfortable wear during extended activity. Easy setup Threestep process simplifies installation, enabling proper positioning, a curved contour fit, and seamless compatibility with various helmet sizes for easy use. Versatile riding support Helmet liner pads provide adaptable performance for electric cycles, motorcycles, and mountain cycles. Arcshaped profile complements kids' helmets, helping maintain consistent comfort and stability on every ride. Enhanced comfort Soft finetextured material offers a skinfriendly fit. Advanced cushioning minimizes pressure and reduces hair friction for longlasting comfort. Use scenarios Daily commuting or long rides on electric cycles where heat and sweat management improves comfort. Family rides and kids' helmet use, with an arcshaped profile that fits and stabilizes younger riders. Mountain biking or motorcycle use, where compatibility with multiple helmet sizes and reliable cushioning support comfort and stability.