FEND One
Description
• Folds by 50% for Easy Storage – Patented Smart-Fold Technology lets the helmet collapse by half to fit in any backpack or bag. Always with you, never in the way.
• Award-Winning Design – Winner of the Red Dot and Edison Awards. Engineered in NYC with durable ABS, ultralight PC, and a high-impact EPS core. Sleek matte finish.
• Certified for Safety – Exceeds US CPSC and European EN1078 standards. Ideal for cycling, skateboarding, and e-bikes/scooters up to 20-mph.
• Lightweight & Comfortable – Integrated dial-fit system and extra padding provide a secure, personalized fit and all-day comfort.
• Sizing & Guarantee – Small (21½–22 in / 54–56 cm), Medium/Large (22–24 in / 56–61 cm). 30-day money-back guarantee + accident-replacement program.
Shipping & Returns
30-day return policy and limited 1-year warranty.
Fit Guide
- Find a Measuring Tool: Use a string, shoelace, or USB cable to wrap around your head just above the eyebrows.
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Mark & Measure: Mark where string overlaps and measure against a ruler or yardstick.
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Choose Your Size: Use the above chart to select your size. If you’re in-between sizes, we recommend sizing up.
Fit Guide (FEND One)
- Find a Measuring Tool: Use a string, shoelace, or USB cable to wrap around your head just above the eyebrows.
-
Mark & Measure: Mark where string overlaps and measure against a ruler or yardstick.
-
Choose Your Size: Use the above chart to select your size. If you’re in-between sizes, we recommend sizing up.







Ultra-Compact
Folds by 50%
FEND's patented Smart-Fold Technology allows the helmet to easily fold and store in any bag or backpack. Always accessible, yet never in the way — finally, a helmet that fits your lifestyle.

DESIGN
Award-Winning Patented Design
Designed and engineered in New York City. Built with a durable ABS shell, ultralight PC, high impact absorbing EPS core, and durable matte-finish. Red Dot Design Award and Edison Award Winner.

FIT
Comfortable, Lightweight, & Adjustable
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.