All Freetown helmets feature sealed, temperature regulating padding. With an anti-microbial perforated liner, excessive heat is disapated away from the head for a cooler ride. Explore our full line of helmets for adults and children. SAFETY TESTED THERMO-SEALED PADDING UNI-MOLD CONSTRUCTION DIAL-TO-FIT-RETENTION 5 LED Integrated lighting system visible up to 100 meterse with flashing and light modes. - Universal Youth/Adult Sizing from 53-60 cm - Full in-Mold Construction - Integrated with MIPS™ Brain Protection - Integrated 5 Bulb LED