---
title: "KAIROS AMBER · Titanium · ZEISS Lenses · Eleven Spectacles"
description: "Amber seems to hold sunlight within resin, preserving its warm, honeyed glow over time. KAIROS AMBER: Brown Titanium frame with Brown ZEISS lenses."
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> Index of every page on this site: [llms.txt](https://elevenspectacles.com/llms.txt)
## KAIROS AMBER – Technical Specifications
Technical Specifications
**Ultra-Light Design**
Engineered to just 18g total weight, offering exceptional comfort for all-day wear without compromising on durability.
**Premium Titanium Frame**
Crafted from aerospace-grade titanium, providing extraordinary strength-to-weight ratio and hypoallergenic properties.
**Anti-Reflective Coating**
ZEISS premium AR coating eliminates 99.9% of reflections, reducing eye strain and enhancing visual clarity in all lighting conditions.
**UV Protection**
Advanced UV400 protection blocks 100% of harmful UVA and UVB rays, safeguarding your eyes from solar radiation.
- Dimensions
- **55□18 140**
- Frame Material
- **Titanium / Ceramic**
- Nose Pads Material
- **Ceramic**
- Bridge
- **18mm**
- Temple
- **140mm**
- Height
- **49mm**
- Gender
- **unisex**
- Colorway
- **Brown / Brown**
- Edition
- **Limited Edition**
- Lens Width
- **55mm**
- Lens Height
- **49mm**
- Lens Material
- **Polyamide made by Carl Zeiss Vision™**
- Coating
- **Anti-reflective backside**
### **Express Delivery**
Eleven Spectacles delivers using premium international express service.
[View Shipping Policy](https://elevenspectacles.com/resources/support/shipping-information)
### **Premium Packaging**
You will receive your Eleven Spectacles eyewear in a precious, eco-friendly box with magnetic closure and a customizable aluminum plate.
### **Easy Returns**
If you are not satisfied with your purchase, you have 14 days from the date of delivery to return the products.
[View Return Policy](https://elevenspectacles.com/resources/legal/return-and-refund-policy)
## Crafted to Perfection
Explore every detail of our titanium frame engineering and discover the craftsmanship.
Interactive 3D model viewer. Use mouse or touch to rotate the product. Supports augmented reality on compatible devices.
- Titanium Frames
- Aerospace-grade titanium. Ultra-lightweight, hypoallergenic, and engineered for lifetime durability.
- ZEISS Optics
- Premium optics with anti-reflective coating for flawless clarity and 100% UV protection.
- Ceramic Nosepads
- Hypoallergenic ceramic nosepads provide all-day comfort and stay in place without irritation.
## Complete Product Care
Every order arrives in a premium gift box with everything you need to protect and care for your eyewear.
## Why Shop With Us
[Complimentary Shipping
EU shipping with full tracking. Your eyewear arrives safely in our signature packaging.Learn more](https://elevenspectacles.com/resources/support/shipping-information) [Secure Payment
Your payment is encrypted with SSL and processed securely by Stripe. PCI-DSS Level 1 compliant.Learn more](https://elevenspectacles.com/resources/support/payments-guide) [Product Care
Each pair includes our premium care kit and detailed guide for maintaining your eyewear's pristine condition and extending its lifetime.Learn more](https://elevenspectacles.com/resources/support/product-care) [Warranty
Every frame is backed by our comprehensive 2-year warranty against manufacturing defects, ensuring lasting quality and peace of mind.Learn more](https://elevenspectacles.com/resources/support/warranty)
## Campaign
The Archē collection, worn. Beta-titanium frames with ZEISS lenses. Select a look to see the frame.
[](https://elevenspectacles.com/collections/arche/kairos-amber)
[](https://elevenspectacles.com/collections/arche/pteron-azure)
[](https://elevenspectacles.com/collections/arche/nous-navy)
[](https://elevenspectacles.com/collections/arche/iris-moss)
## From the Journal
A closer look at the materials, optics, and engineering behind our frames.
- Guides & Articles ## **The Science of Sight: Why Eleven Spectacles Chooses ZEISS Optics** How the ZEISS lenses in our frames are built: a back-surface anti-reflective coating, DuraVision hard coating and UV400 protection, and the 180 years of optics behind them.Read more
- Guides & Articles ## **Beta-Titanium Eyewear: The Architecture of Weightlessness** What beta-titanium is, why its crystal structure makes it springier than pure titanium, and what that means for a frame you wear every day – checked against optician training articles and materials research.Read more
- Guides & Articles ## **Lightweight Sunglasses: What Frame Weight Actually Means** How much sunglasses weigh, what sets the number, and why the size of the nose pads matters as much as the grams – with the figures optician sources actually give.Read more
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See the full [sitemap](https://elevenspectacles.com/sitemap.md) for all pages.