FEND One Foldable Bike Helmet for Adults - Lightweight & Collapsible Cycling Helmet (50% Size Reduction) - CPSC Safety Certified for Bicycle, Road Bike, Scooter & Commuter Use - Perfect for Urban Cycling, Daily Commute & Outdoor Adventures

Ultra-Portable and Safety Certified Helmet Bicycles, Scooters, Skateboards, E-bikes/Scooters FEND exceeds US CPSC and European EN1078 safety standards for bicycles, skateboards, and e-bikes/scooters under 20mph. Ultra-Portable Easily fold and store comfortably in any bag or backpack. FEND is an adult bike helmet that is always with you and designed for your lifestyle. Comfortable & Lightweight Our foldable helmet has an integrated dial fit system for precise adjustments and additional thick foam padding for the perfect fit.‏‏‎ See our fit guide for more information! Thoughtfully Designed, Meticulously Crafted Designed and engineered in New York City, FEND is the recipient of the Red Dot Design Award and the Edison Award. Commitment to the Earth We are committed to reducing and offsetting our annual carbon emissions. 1% For the Planet We are proud members of 1% for the planet and have pledged to donate 1% of annual sales towards non-profit organizations supporting environmental solutions. Fit Guide The Perfect Fit No matter your head size or shape, we have you covered. Using our integrated dial fit system, adjustable straps, and extra pads, we’ve created the perfect fit just for you. Fit Guide Find A Measuring Tool: Find a flexible measuring tape or a phone charger cord (and ruler to measure it against). Measure Your Head: Wrap the cord around your head just above the eyebrows. Choose Your Size: Use the chart above to find your size. If you’re in-between sizes, we recommend sizing up. Is the FEND Helmet Safe? Yes! FEND exceeds US CPSC and EU EN1078 safety standards for bicycles, skateboards, and e-bikes/scooters under 20mph. How Do I Know My Size? The FEND One helmet is offered in two sizes. The Small size measures 54-56 cm, and the Med/Large size measures 56-61 cm. If you are on the cusp, we recommend sizing up. Please refer to our fit guide above on how to select your size. How Does the Helmet Stay Secure on the Head? Once fully opened, the helmet clicks into place and is designed with our patented safety locking mechanism to ensure the helmet will not close on impact. The adjustable straps and the rear dial fit adjuster allow for a custom fit. What's in the box? The FEND One folding helmet comes with an extra set of thicker foam pads, a premium canvas carry bag, and a user manual.