FIND A STRING: Use a string, shoelace, or even a USB cable to wrap around your head just above your eyebrows.

In terms of security, they both comply with the same helmet safety standards and both are made by reputable companies, so you should be safe with either one. However, there are a number of folding helmets that have come on the market since then which beat out the Pango in most ways. I had never really thought a lot about that before, but as soon as I started using the FEND, it became super important to me. The market for urban bike helmets is quite large, and many brands have emerged in the last two years.

PROTECTION AND RESISTANCE TO IMPACT: The Closca HELMET unisex helmet covers the most sensitive part of the head, and protects it against any impact caused by an accident. Fend has a folding helmet with ribs that fold in from the sides in two sections to stow in the helmet. We found it to be very well ventilated, and would recommend it as the best folding helmet for ventilation.

To fold, you just push down the concentric rings (usually with your thumbs, while holding the helmet in your hands), with a little bit of force. There are a handful of helmets on the market that fold up or otherwise collapse like some sort of origami headgear, and that makes them more convenient to carry around when dismounting from your bike. The manufacturers claim it can protect you against falls on smooth surfaces, as well as swellings, scratches, bruises and grazes, perhaps even against light concussion. The 14 vents offer a great amount of airflow across the head, and it offers the same protection as normal helmet.If you’re not a fan of wearing a bike helmet, there is one smart alternative that can still protect your head if you have a crash. URBAN STYLE AND INTERCHANGEABLE VISORS: Specially designed for daily use in the city thanks to its casual style, the convenience of folding and its lightness.

Note that we do not recommend the accordion-style folding helmets due to safety concerns, as the person who originally came up with the design for these helmets himself has said that he does not believe they are safe (see comments here), although they claim to be both EN-1078 and CPSC. You can read our detailed review of these inexpensive folding helmets to find out why they are the only folding helmets that we really don’t recommend.In our ongoing commitment to reducing single-use plastic in water consumption, we've created a powerful app that shows you over 240,000 sources of free water worldwide. It should easily fit into a rucksack and is designed to absorb any small daily knocks and bumps as you move through your day. Its creators claim it is virtually indestructible, and unlike most helmets it can be reused even after a collision or drop. I pressed the switches to discover they unlock the sides, and then pushed the sides in; they slid up and disappeared under the center of the helmet. Each panel consists of three layers of protection: a hard polycarbonate shell, a shock-absorbing elastic polyurethane foam, and an interior core made up of what Newton-Rider terms “supermolecules,” created from a proprietary non-Newtonian thermoplastic elastomer.