THE TYRANT™ MIPS HELMET IS DESIGNED TO MEET THE NEEDS OF TODAYS PROGRESSIVE TRAIL RIDERS. EQUALLY AT HOME ON FOREST SINGLETRACK & AT THE DIRT JUMPS TYRANTS ATTITUDE USHERS IN THE MODERN ERA OF MOUNTAIN BIKING. While the style is understated the Tyrant boasts countless under-the-hood tech breakthroughs including Wind Tunnel Ventilation & Mips Spherical technology. Mips Spherical utilizes a pair of foam layers that work like a ball & socket to redirect impact energy in a crash. One layer is EPS which is well suited to high-speed crashes. The other is a lower density EPP foam with rebound characteristics to address low-speed roll-around-in-the-dirt-type spills. The added coverage of this full cut design further enhances protective capability while taking helmet design in a new direction for riders seeking style over speed. SPECS CONSTRUCTION HARDSHELL WITH IN-MOLD POLYCARBONATE HARDBODY™ LOWER WRAP PROGRESSIVE LAYERING WITH EPS OUTER LINER & EPP INNER LINER VENTILATION CHANNELED STACK™ VENTILATION AT BROW LINE 14 VENTS WITH INTERNAL CHANNELING SUPER FIT™ FIT SYSTEM ROC LOC AIR PRODUCT WEIGHT 600G (SIZE MEDIUM CPSC CE) CERTIFICATION COMPLIES WITH THE US CPSC SAFETY STANDARD FOR BICYCLE HELMET FOR PERSONS AGE 5 & OLDER E.U.: CE EN1078 HIGHLIGHTS FULL-CUT DESIGN ADJUSTABLE MOTO-STYLE SCREW-IN VISOR SLIMLINE WEBBING