Road cyclist at dawn wearing TriEye rear-view mirror sunglasses, eyes forward on the road, a car approaching from behind
Michael Fongen

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 Rowing Sunglasses in 2026 (And Why Scullers Want a Mirror)
Rear-view awareness Rowing

The Best Rowing Sunglasses in 2026 (And Why Scullers Want a Mirror)

Michael Fongen
By Michael Fongen

An honest, unscored ranking of the seven best rowing sunglasses in 2026 - and why the sport's backwards-facing problem makes a rear-view mirror worth considering.

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Group Ride Etiquette and Safety: Calls, Spacing, and Awareness
Cycling Rear-view awareness

Group Ride Etiquette and Safety: Calls, Spacing, and Awareness

Michael Fongen
By Michael Fongen

The calls, the spacing and the awareness habits that make you the rider everyone wants to sit behind - plus the honest evidence on why...

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A runner on a quiet country road at sunrise wearing TriEye sport sunglasses with a rear-view mirror set into the left side of the lens
Cycling Rear-view awareness

One Pair for Cycling and Running: Multi-Sport Sunglasses That See Behind You

Michael Fongen
By Michael Fongen

One frame, a lens swapped to suit the light, and a rear-view mirror that works the same on the bike as it does on the...

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Fernando Soto riding with TriEye The View during the Mishigami Challenge 2026 around Lake Michigan
Rear-view awareness Story

1,121 Miles Around Lake Michigan: Fernando Soto's Mishigami Ride

Michael Fongen
By Michael Fongen

Fernando Soto finished 3rd in the 2026 Mishigami Challenge - 1,121 self-supported miles around Lake Michigan - after deciding to quit at mile 390. The...

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Road cyclist in a plain helmet and sport wraparound sunglasses with an in-lens rear-view mirror, riding on an open sunlit road
Person in Focus Rear-view awareness Story

Dr. Jim Taylor: The Sport Psychologist Who Won't Ride Without a Mirror

Michael Fongen
By Michael Fongen

Sport psychologist and 5x US national champion Dr. Jim Taylor tried helmet and bar-end mirrors, rejected both, and now won't train without a rear-view mirror...

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Commuter riding an electric scooter through a city bike lane at dawn, wearing matte-charcoal TriEye sunglasses and a helmet, glancing toward the camera
Rear-view awareness Scooter

E-Scooter Visibility and the Rules You Should Check

Michael Fongen
By Michael Fongen

A practical guide to e-scooter visibility: the lights, reflectors and gear rules to check, plus how to see traffic behind you without a risky shoulder-check.

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Coastal & Beach Rowing: Seeing Ahead in Surf, Spray and Chop
Rear-view awareness Rowing

Coastal & Beach Rowing: Seeing Ahead in Surf, Spray and Chop

Michael Fongen
By Michael Fongen

Coastal and beach rowers face backwards into surf and spray — here's how a rear-view mirror in your sunglasses lens keeps the course ahead in...

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A confident woman road cyclist riding in soft morning light, wearing sport sunglasses with an integrated rear-view mirror
Cycling Rear-view awareness

Cycling Safety for Women: Awareness, Confidence, and Gear

Michael Fongen
By Michael Fongen

An empowering guide to cycling safety for women: the real participation gap, the gear that builds confidence, and how a rear-view mirror lets you watch...

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Gravel cyclist in sport wraparound mirror sunglasses and helmet on a quiet gravel road meeting open tarmac in golden morning light
Cycling Rear-view awareness

Gravel vs Road: Staying Aware on Every Surface

Michael Fongen
By Michael Fongen

Gravel rides cross loose tracks and fast rural tarmac in a single loop — here's how your rear awareness should shift with the surface, and...

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