• MIPS Safety: The Mips system is designed to provide added safety for helmets in many accidents. For certain impacts, the system can reduce harmful rotational forces.Ride, skate, or roll into every adventure with top-notch protection
• A Helmet for Multi-Sport Smooth ventilation system helps to protect and enjoy skating, cycling, BMX, MTB and etc
• Adjustable Fit: The MIPS skateboard helmet achieve your ideal fit with adjustable nylon straps and two sets of interchangeable interior padding, for a custom, snug, and comfortable fit
• Breathable 11-Vents Airflow: Helmets for adults stay cool with strategically placed open vents on the front, top, and back of the helmet to allow 360 degrees of airflow
• How to Measure A Proper Helmet: To find the right size bike helmet start by measuring your head circumference, wrap a flexible tape measure around the largest portion of your head about one inch above your eyebrows. Or, wrap a string around your head, then measure the length of string with a yardstick.S: 18.921.26in(4854cm)/M: 21.6522.83in (5558cm)/L: 23.2324.02in (5961cm).Suggests select a helmet 2cm larger than your head size (due to internal padding)