How Do I Know My Size?

FEND One Size Fit Guide

  1. Find a Measuring Tool: Use a string, shoelace, or USB cable to wrap around your head just above eyebrows.
  2. Mark & Measure: Mark where string overlaps and measure against a ruler or yardstick.
  3. Choose Your Size: Use the above chart to select your size. If you’re in-between sizes, we recommend sizing up.
What are the dimensions and weight?

The width of FEND One when open is 220mm. The width of FEND One when folded is 110mm. Its overall dimensions when folded measure 110mm x 140mm x 290mm. The weight is 445 grams.

Is the FEND Helmet Safe?

Yes! FEND exceeds US CPSC and European EN1078 safety standards for bicycles, skateboards, and e-bikes/scooters under 20mph.

What's in the box?
What is the Return Policy?

If you are not satisfied with the helmet, please contact us as soon as possible at help@fend.io with your order number. Once the order is approved for return, we will send detailed instructions on how to return the product.

Please note that your billing address must match the address on your credit card statement.

U.S. Returns - Once the return request is approved, we will send a prepaid shipping label.

International Returns - Customers will be responsible for return shipping costs. We recommend shipping with insurance and keeping all paperwork until the return is processed.