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
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 Best Rear-View Mirrors for Cycling in 2026, by Mount Type
The best rear-view mirror for cycling by mount type — bar-end, handlebar, helmet, glasses-mounted and in-lens — with verified prices, flat vs convex, and radar...
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...
E-Bike Rear Awareness: Higher Speeds, Same Blind Spot
At e-bike speeds a one-second shoulder check carries you about 41 feet of road - here is what the crash data actually shows, and which...
Best Gifts for Rowers in 2026: What Scullers Actually Want
An honest, rower-tested gift guide: the nine gifts scullers and crew rowers actually use, from rear-view mirror sunglasses to pogies, plus what to skip.
The Best Gifts for Cyclists in 2026: What Riders Actually Want
The gifts cyclists actually use, ranked honestly: rear-view mirror sunglasses, rear radar, lights, and tools — with picks by budget and what to skip.