Amazing
"Glasses look amazing, quality seems to be as described. Will hopefully get to test them fully when the sun reappears (hopefully!)"
Mark III - Walnut
Regular price
£90.00
Sale price
Regular price
£90.00
The perfect pair of wooden sunglasses didn't exist... so we built them.
Carefully handcrafted with multiple layers of sustainably sourced walnut and fitted with world-class polarised lenses, the Mark III is an outstanding pair of unisex sunglasses.
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Size & Fit
Gender
Head Size
Face Shape Match
You
You
You
You
About Us
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Your face shape
Two-Way Flex Hinges
Gently flex outward to comfortably fit varied face widths without pinching.
100-Day Risk-Free Trial
Test the fit in daily life with free EU delivery and hassle-free returns.
Technical Specs
Technical Specs
// OPTICAL PERFORMANCE & SPECS
UV400 CERTIFIED
Lens Type
CR-39
Scratch resistant coating
Polarisation
100% Polarised
Glare reduction
Filter Category
Category 3
High sun glare reduction
UV Defense
UV400 Protection
100% UVA & UVB block
Compliance & Standards
ISO 12312-1 (CE)
ANSI Z80.3 (FDA)
AS/NZS 1067
Exceeds international safety standards · Not suitable for night driving
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Unisex Fit
// 03 — CRAFTSMANSHIP & MATERIALS
Engineered from Nature
Every SixtySix frame is a precision union of organic wooden layers, lightweight ergonomics, and plant-sealed durability.
1-OF-1 BESPOKE
100% Unique Wood Grain
Layered genuine sustainably-sourced wood ensures no two pairs are ever identical. Grain patterns, depth, and rich organic tones vary naturally across each handcrafted frame.
FEATHERLIGHT
All-Day Weightless Fit
Engineered at just ~30 grams - over 30% lighter than traditional acetate. Providing a pressure-free, effortless fit that never pinches.
WEATHER-SEALED
Plant-Based Micro-Seal
Micro-sealed with an eco-conscious, plant-based finish protecting against sweat and raindrops for daily active wear.
In the box
Mark III - Walnut Sunglasses
Vegan Leather Case
Lens Cloth
// 05 — CIRCULAR IMPACT
Doing good with every pair
20 Trees Planted
With every frame purchased, we plant 20 trees with Trees for the Future.
Sustainably Sourced
Every wooden frame is precision crafted from responsibly managed, sustainable wood. Never clear-cut or harmful to native forests.
Anti-Plastic
We're against single-use plastic. All our frames and packaging use sustainable or recycled materials.
Carbon Neutral
Your order is carbon neutral thanks to natural materials and verified renewable energy offsets.
Recycle Programme
Return your retired frames to be responsibly recycled or repurposed, keeping materials out of landfill and earning credit toward your next pair.
Worn & Loved Worldwide
Real experiences and verified reviews from SixtySix eyewear owners worldwide.
Overall rating: 4.6666665 / 5 from 3 reviews.
AI Generated Review Summary
Summary topics
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Review highlights
Reviews
Good looking glasses
"Love the fact they are not plastic, sturdy case to keep them in. Only received yesterday and not had a chance to wear them yet."
Fantastic product.
"I can’t explain how pleased I was with my sunglasses. Everything from the way they pack them to the quality of the glasses was 10/10. I will definitely be purchasing more."
Q&A
Got Questions?
We're here to help. Explore our most frequently asked questions below, or reach out to us directly.
How long does shipping take?
How long does shipping take?
Shipping usually takes 2–4 business days across the UK and 3–7 business days across the EU. All orders are dispatched in plastic-free, carbon-neutral packaging with end-to-end tracking. For more details, view our delivery page.
What if they don't fit my face shape?
What if they don't fit my face shape?
Every SixtySix frame features stainless steel two-way flexible spring hinges that gently flex outward up to 15° to comfortably accommodate varied face widths without pinching. If you are not completely satisfied with the fit, we offer free UK returns for a full refund or exchange. For more details, see our returns page.
How does the 100-Day Risk-Free Trial work?
How does the 100-Day Risk-Free Trial work?
Wear and test your sunglasses in everyday life for up to 100 days. If you're not loving your glasses by day 100, return them to us for a full refund. For more details, view our 100-day trial page.
Are the lenses 100% polarised and UV protected?
Are the lenses 100% polarised and UV protected?
Yes. All SixtySix sunglasses are fitted with Category 3 optical CR39 polarised lenses that eliminate blinding surface glare and provide 100% UV400 protection against harmful UVA and UVB radiation, exceeding ISO 12312-1 (CE), ANSI Z80.3 (FDA), and AS/NZS 1067 safety standards.
How do I care for wooden sunglasses?
How do I care for wooden sunglasses?
Our handcrafted wooden frames are micro-sealed with an eco-conscious, plant-based finish protecting against sweat and raindrops for daily active wear. Simply wipe clean with the included 100% microfibre cloth and store them in your vegan leather case when not in use.
