What rear-view awareness means across cycling, running, rowing and commuting — and how a mirror built into the lens lets you see behind you without turning your head.
Guides
Cycling in the Dark: How to Ride Safely When the Clocks Go Back
How to ride safely in the dark after the clocks go back: lights, reflectives, lens choice, road position, glare, and seeing traffic behind you.
Getting Used to a Mirror in Your Glasses: What the First Rides Really Feel Like
Every drawback reviewers list about a mirror in the lens - the adaptation period, the head tilt, hoods vs drops, the left mirror and fogging...
Cycling Gear Worth Buying on Black Friday (and What to Skip)
An honest guide to Black Friday cycling gear: which categories genuinely discount, which are theatre, and how to check any deal in sixty seconds.
The Best Cycling Sunglasses in 2026: An Honest Guide (and the Feature Most Brands Miss)
Seven cycling sunglasses ranked honestly on optics, coverage and fit - including the rear-view feature almost every brand leaves out.
Cycling With Prescription Glasses: Every Real Option Compared
The four genuine options for cyclists who wear glasses - your own frames, contacts, prescription sport sunglasses, or an insert - compared honestly on cost,...
The Classic: Everyday Sunglasses That See Behind You
The Classic is a normal-looking pair of sunglasses with a rear-view mirror built into the lens, so you see behind you in everyday life without...
Running in the Dark: Visibility and Awareness for Dawn, Dusk & Night
How to run safely before sunrise or after dark: where reflective material actually belongs, how many lights you need, which lens to wear in low...
The 7 Best Bike Mirrors in 2026: Bar-End, Helmet & In-Lens, Ranked Honestly
An honest, rider-to-rider ranking of the seven best bike mirrors of 2026 - bar-end, helmet, and in-lens - with field of view, stability, price, and...
Why We Built TriEye: The Crash That Started It
Founder Carsten Juell Fongen was hit from behind by his own son on a dusty Norwegian mountain road in 2016 - and had the idea...