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Running

The rear-view mirror, for the runner.

You wouldn't drive without a rear-view mirror. Knowing what's happening around you is the difference between operating safely and operating blind — in any environment. HINDSIGHT brings that same standard to the runner. Built into the lens.

A runner mid-stride wearing HINDSIGHT rear-view mirror sunglasses — athletic portrait, the rear-view built into the lens.

The lens, in motion

Forward and rearward vision, in a single lens.

A semi-transparent mirrored zone, engineered into the lens surface. The rear-view mirror, built in.

The blind spot you have accepted

The runner's question every race answers wrong.

Where is the field behind you? When the gap closes, you don't know. When the gap opens, you don't know either. The head-turn that breaks your stride costs metres.

Lone training runs at dawn. A car behind you on a quiet lane. Music in, wind in your ears. The shoulder check belongs to the 20th century — the runner inherits the same blind spot the cyclist has.

A car has

Three mirrors. Centre, left, right.

Runner has had

None, built in. Until now.

HINDSIGHT

The rear-view mirror, built into the lens.

What the lens does for you

Information your competitors don't have.

HINDSIGHT puts the rear-view in your sightline. Maintain pace strategically. See the move before it is made. Close the door before the runner behind you commits to going for it.

The same lens that gives a long-distance runner traffic awareness gives a competitive runner an edge no shoulder check has ever delivered. Forward focus on the line. Rear-view, peripheral. The information surfaces without the cost.

A competitive runner on a canal path with the field behind visible in the HINDSIGHT rear-view mirror lens — maintaining the lead.

Maintain your lead

The field behind you, surfaced in peripheral vision. Know when to push. Close the door before they commit. The shoulder check costs metres — the lens costs nothing.

A runner on a suburban street wearing HINDSIGHT rear-view mirror sunglasses — the car approaching from behind held in the lens.

Rear-view, built in

The lens is the mirror. The mirror is the lens.

The research

139 milliseconds faster.

Tested at Edinburgh Napier University.

Research conducted at Edinburgh Napier University measured how wearers respond to hazards approaching from behind, compared to the same wearers using conventional lenses.

Reaction time to a rear hazard was 139 milliseconds faster.

Read the research summary →

139ms

Faster rear-hazard reaction time

Certified partners

HINDSIGHT certified, for the runner.

A HINDSIGHT certified lens meets the Complete Perception standard. Look for the certification mark on every partner product.

Flagship — Daylight

Artemis

The HINDSIGHT certified lens for daylight conditions.

View Artemis →

Flagship — Variable light

Morpheus

The HINDSIGHT certified lens that adapts as the light changes.

View Morpheus →

Flagship — Low light

Night Lens

The HINDSIGHT certified lens for low-light conditions.

View Night Lens →

Questions

In plain language.

What does HINDSIGHT do for runners?

Forward and rearward vision, delivered through a single semi-transparent mirrored lens. The mirrored zone is engineered into the lens surface. Forward vision continues through it. Shift focus and the rear-view appears.

Is this a replacement for a mirror accessory?

HINDSIGHT removes the need for an accessory. The mirror is the lens. The lens is the mirror.

Does the rear view distort forward focus?

The Napier study recorded forward vision continuing through the mirrored zone while wearing the lens. The rearward image sits in the natural peripheral field, the way a wing mirror sits in a driver's.

Is there independent research?

Yes. Research conducted at Edinburgh Napier University measured 139 milliseconds faster reaction to rear hazards.

Does it have cameras or electronics?

No. HINDSIGHT is passive optics. No cameras. No batteries. No screens. The lens is the mirror.

Can I get prescription lenses?

Prescription availability depends on the certified partner product. Look for the HINDSIGHT certification on partner sites.

Will HINDSIGHT help during a race?

Yes. The field behind you surfaces in peripheral vision. You see when a runner is closing on you, you see the gap open or shrink, and you make pace decisions on information your competitors do not have.

Are HINDSIGHT lenses safe for long-distance running?

Yes. Passive optics, no battery, no electronics. The mirrored zone sits in peripheral vision and forward focus continues. No focal adjustment fatigue on long efforts.

Will HINDSIGHT lenses fog up while running?

HINDSIGHT lenses fog the same way any sunglass does — most partner frames carry anti-fog coating and ventilation. Specific anti-fog performance is listed on each certified partner product.

Can I run at dawn or dusk with HINDSIGHT?

The Night Lens is engineered for low-light. For dawn / dusk transitions, Morpheus adapts photochromically. Look for the HINDSIGHT certification mark on the partner product page.

See all answers →

Key facts

What HINDSIGHT means for the runner.

  • Two seconds with eyes off the road doubles crash risk (NHTSA / Virginia Tech). A shoulder check costs more than two — whether you are training or racing.
  • HINDSIGHT carries forward and rearward vision in a single lens. No mirror accessory, no electronics.
  • For competitive runners: the field behind, surfaced in peripheral vision. Maintain your lead. Know when to push.
  • Research conducted at Edinburgh Napier University measured 139 milliseconds faster reaction to rear hazards.

Look for the HINDSIGHT certified mark on every approved partner product. The standard is the product. The lens is the proof.

Find a partner →

Product status

Built for cycling and e-mobility. Coming to the runner.

The current HINDSIGHT product line — Artemis, Morpheus, and Night Lens — was engineered first for cycling and e-mobility, the disciplines with the cleanest data and the most direct safety case.

We are in active development with category partners to deliver eyewear purpose-built for the runner. The HINDSIGHT lens technology is the same. The frame is engineered around how you use it.

If you want to experience HINDSIGHT today, Artemis and Morpheus are available now. They carry the same certified lens. They are not yet optimised for runner-specific use.

Current flagship

Artemis · Morpheus · Night Lens. Available now.

Purpose-built runner frame

In development with category partners.

Also serving

Eight more disciplines.

Running is one of nine categories where HINDSIGHT certified lenses change the standard. The lens is the same. The discipline changes.

See all applications →