AntiFlattening Technology Builtin support system prevents helmetinduced flattening and helps retain your natural hairstyle by evenly distributing pressure. Designed for allday wearability and convenience. Improved Cooling Technology Air channel layer technology and a 3D ventilation system, with mesh material construction, minimize heat buildup and sweat retention. Optimized for comfortable wear during extended use. Convenient Setup Compatible with helmets of varying shapes, featuring a curved contour fit and nonslip positioning to improve comfort and stability. CrossVehicle Functionality Optimized for use with electric cycles, mountain cycles, and motorcycles. Arcshaped structure integrates smoothly with kids' helmets for adaptable comfort across different adventures. Use scenarios Daily commuting or longer rides on electric cycles or motorcycles where helmet shapes may vary, requiring a versatile liner pad. Mountain biking or road cycling with different helmet models, benefiting from the curved contour fit and stable placement. Family outings that include kids with their own helmets, providing comfortable padding and adaptable fit for younger riders.