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Koo Alibi Large Black Matt Photochromic Green
KOO Alibi Large Sunglasses - Image 2
Koo Alibi Large Black Matt Gold Mirror
KOO Alibi Large Sunglasses - Image 4
KOO Alibi Large Sunglasses - Image 5
Koo Alibi Large Dark Blue Matt Photochromic Red
Koo Alibi Large Harbor Blue Matt Copper Mirror
Koo Alibi Large White Matt Fuchsia Photochromic
Koo Alibi Large white matt red mirror
Koo Alibi Large Sunglasses on cyclist with Elemento helmet
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KOO Alibi Large Sunglasses

Price range: $239.99 through $309.99

KOO Alibi Large Sunglasses feature a wide fit, vented ZEISS® or photochromic lenses, and a lightweight Grilamid® frame for clear vision and comfort.
Free standard shipping Canada-wide over $100
30-day returns on eligible unused items
Ships from Guelph, Ontario

Decision guidance

Is this right for you?

Best For

Ideal for road and gravel cyclists seeking large-fit sunglasses with excellent optical clarity and fog-resistant ventilation.

What to Know

Designed for broader faces, the Alibi Large features a lightweight Grilamid® frame with rounded arms and soft-touch nose pads to ensure a secure, comfortable fit even under a helmet.

Why We'd Choose It

Choose the Alibi Large for its combination of wide coverage, premium ZEISS® or adaptive photochromic lenses, vented design to reduce fogging, and compatibility with prescription inserts.

At a glance

Product facts

Use
Road and gravel cycling, everyday training rides.
Key feature
Large fit with vented ZEISS® or photochromic lenses
Product Story

Product details

Overview

The KOO Alibi Large sunglasses are designed for riders needing a bigger fit, providing wide coverage and a locked-in feel during fast road or gravel rides. Their minimal half-frame design features a rimless lower edge to keep your view clear when in the drops, while vent ports reduce fogging in humid conditions.

Optics & Lens Options

Developed in partnership with ZEISS®, these sunglasses come with lenses that deliver crisp contrast and 100% UV protection. Choose from standard ZEISS tints or photochromic lenses that adapt to changing light conditions for optimal vision from sun to shade.

Fit & Frame Construction

The large size offers approximately 149 mm frame width, 155 mm frame length, and 110.5 mm temple length, suitable for broader faces. The frame is made from tough, lightweight Grilamid® with rounded arms for stability against helmets and soft-touch nose pads for enhanced comfort.

Prescription Compatibility

The Alibi Large is compatible with the KOO Optical Clip, allowing you to add prescription inserts without altering the outer lens appearance.

Key Specs

Specifications

Frame Width Approximately 149 mm Suitable for broader faces
Frame Length Approximately 155 mm
Temple Length Approximately 110.5 mm
Lens Type ZEISS® or Photochromic 100% UV protection, anti-fog and vented
Frame Material Grilamid® Lightweight and durable
Prescription Compatibility Compatible with KOO Optical Clip Allows adding prescription inserts
Questions & answers

Common questions

What lens options are available for the KOO Alibi Large sunglasses?

They come with ZEISS® lenses or photochromic lenses that adapt to changing light conditions, both offering 100% UV protection and anti-fog venting.

Are the KOO Alibi Large sunglasses compatible with prescription lenses?

Yes, they are compatible with the KOO Optical Clip, allowing you to add prescription inserts without changing the outer lens.

What is the fit size of the KOO Alibi Large sunglasses?

They have a large fit with approximately 149 mm frame width, 155 mm frame length, and 110.5 mm temple length, suitable for broader faces.

What materials are used in the frame of the Alibi Large sunglasses?

The frame is made from lightweight and durable Grilamid® material.

Do the Alibi Large sunglasses have features to reduce fogging?

Yes, they include vent ports in the lenses to help reduce fogging during climbs and humid rides.

Delivery & Returns

What to expect

Shipping

Free standard Canada-wide shipping over $100 before tax.

Returns

45-day returns for eligible unused items.

Ships from

Ships from Guelph, Ontario
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