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ST 100 MTB Sunglasses Category 3 - Grey


These MTB cycling sunglasses shield against sunlight, wind and splashes on occasional rides. The lenses are category 3, with a 100% UV protection filter.

These lightweight ST 100 Cat 3 sunglasses provide powerful sun protection. The wraparound design gives large coverage and a wide field of vision. High-durability polycarbonate lenses.

Color: BLACK


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Product benefits

Sun protection

Category 3 lens - 100% UV protection filter: Ideal in sunny weather.


Frameless glasses: to improve ventilation.


Lenses & frames are made from high-resistance polycarbonate plastic

Field of vision

Large lenses: provide enhanced peripheral vision.


Wraparound design: protects the eyes from wind, splashes and bad weather.


Grippy arm tips: prevents your glasses from slipping.


Lightweight cycling sunglasses: 24 g.

Technical information


Category 3: lets through 8% to 18% of light (protection in sunny weather - Standard: ISO 12312-1).

Full UV protection filter.

Optical class 1: superior lens quality.

Geometry: spherical - base 8 design.


Frame material: polycarbonate.
Arms material: polycarbonate.
Arm tip material: rubber.
Sizing: sunglasses for medium to large faces (unisex).


2 years

Product concept & technology

Product Composition

Frame 90% Polycarbonate, 9% Styrene Ethylene Butadiene Styrene, 1% Stainless Steel


The quality of your vision depends on taking proper care of your sunglasses. The case is not just for show! Storing your sunglasses in your case protects them from becoming scratched or crushed.

User Directions

Sunglasses not suitable for direct observation of the sun.


All our sports glasses are tested in our Decathlon labs as well as in the real-world conditions for which they are designed. Our design teams, product managers, engineers and designers ensure that our sports glasses correspond perfectly to their intended use in real-world conditions.

Approved By

These sunglasses meet the ISO 12312-1 standard.


ST 100 MTB Sunglasses Category 3 - Grey
ST 100 MTB Sunglasses Category 3 - Grey
ST 100 MTB Sunglasses Category 3 - Grey
ST 100 MTB Sunglasses Category 3 - Grey
ST 100 MTB Sunglasses Category 3 - Grey
ST 100 MTB Sunglasses Category 3 - Grey

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