See Clear. Run Confident.

Why Running Sunglasses Matter

Whether you’re running at sunrise, training after work, or preparing for a marathon, bright sunlight, UV rays, and changing temperatures can affect your performance.
Good eyewear doesn’t just protect your eyes — it helps you focus, stay relaxed, and enjoy every run.

• Blocks harsh glare and UV rays

• Shields eyes from wind and dust

• Keeps your vision stable and clear

1. How to Choose the Right Running Sunglasses

A. Reliable UV Protection

All SWANS lenses block over 99.9 % of UV rays — an essential for runners training under strong sunlight in any season.

B. Fit & Stability That Move With You

Designed in Japan using detailed head-shape data of Asian runners, SWANS frames deliver a balanced, secure fit that stays comfortable mile after mile.
Sweat-resistant nose pads and flexible temples keep your glasses in place — no matter how hard you push.

C. Light Yet Secure

Our frames are lightweight to reduce fatigue, yet perfectly balanced for a stable hold.
You’ll hardly notice you’re wearing them — even on your longest runs.

2. Spotlight Models

Runner wearing SWANS E-NOX EIGHT8 running sunglasses during a marathon

E-NOX EIGHT8

For runners who value stability and focus.
The dual-temple “8” structure hugs your head gently but firmly, while the A-BLOW system releases warm air to prevent fogging.

Explore E-NOX EIGHT8

Athlete running fast wearing SWANS E-NOX NEURON20 performance sunglasses

E-NOX NEURON20

For speed-driven runners chasing personal bests.
A dynamic frame that follows every motion of your face, providing unmatched comfort and aerodynamic stability.

Explore E-NOX EIGHT8

Runner wearing SWANS Airless-Core ultra-light sunglasses on a city run

Airless-Core

For everyday runners who love comfort and light weight.
Only 16 g — so light you’ll forget you’re wearing it.
Soft pads and flexible temples ensure all-day comfort and clear vision.

Explore E-NOX EIGHT8

3. Choosing the Right Lens

Visible Light Transmittance (VLT):

• 100–75 % – For low-light or night runs
• 70–40 % – For cloudy or early-morning runs
• 30–10 % – For bright daytime conditions

  • Lens color and visible light transmission levels for running: darker lenses (100–75%) for low-light or night runs, medium (70–40%) for cloudy or early-morning runs, lighter lenses (30–10%) for bright daytime conditions.

  • Mirror Coating

    Reduces glare and adds a sporty look.

  • Photochromic Lenses

    Adjust brightness automatically for runs from dawn to daylight.

4. About SWANS

Since 1935, SWANS has been crafting performance eyewear in Japan, trusted by athletes around the world.
Our mission: to deliver precision vision that helps every runner perform at their best.

PAGETOP