Ziena KAI Sunglasses | Size 52
Size Guide
Dark Tortoise
Glossy Black
Ocean
Smoke
BlueByrd Blue Light - Level 3
Copper
Gray (12%)
Extra Dark Gray (3.8%) Waiver Required - Category 4
Extra Dark Gray (5.8%) Waiver Required - Category 4
Ultra Dark (0.5%) Waiver Required - Category 5
BlueByrd Blue Light - Level 2
Polarized Copper
Polarized Gray (11%)
Gray (12%) +1.50
Gray (12%) +2.00
Gray (12%) +2.50
Contrast Photochromic
Eclypse Photochromic
DARKshift Photochromic
Your prescription is safe with us — you'll add it securely after checkout, with guidance at every step.
Prefer clear lenses for everyday wear? Shop the Ziena KAI Eyeglasses version.
The Ziena KAI Sunglasses combine advanced dry eye relief technology with stylish sun protection. Featuring Ziena's signature moisture chamber design, these sunglasses shield your eyes from wind, dust, UV rays, and environmental irritants — making them ideal for outdoor activities and everyday wear.
- 100% UV400 protection
- Moisture chamber technology to reduce dry eye symptoms
- Shields eyes from wind, dust, and allergens
- Lightweight, comfortable frame for all-day wear
- Sleek, modern design for outdoor and everyday use
- Removable silicone moisture seal
Enjoy the outdoors without compromise — the Ziena KAI Sunglasses protect your eyes and keep them comfortable all day long.
Features
Included
Category Sunglasses
Age Group Adult
Gender Men,Women
Shape Rectangle
Rim Type Full-Rim
Prescription Ready
| Size* 52 |
|
| Bridge / Distance Between Lenses: | 17 |
| Horizontal Lens Measurement, A: | 52 |
| Vertical Lens Measurement, B: | 36 |
| Effective Lens Diameter, ED: | 54 |
| Temple Length: | 124 |
*All of these measurements are in millimeters
We Pay Shipping on all orders over $99 in the USA
Canada 6-8 business days
U.K/International up to 14 business days
If, for any reason, you are not completely satisfied with your order, you may return it within the first 30 days*.
*Limitations apply
Please note
Prescription lenses will add an additional

Ziena KAI Sunglasses | Size 52
Dark Tortoise / BlueByrd Blue Light - Level 3 / Black
Product Size Information
Here are the key measurements for the eyewear you've selected.
* If the product is available in multiple sizes, please choose your size on the product page to view the exact measurements for that size.
1. Horizontal Lens Measurement
2. Vertical Lens Measurement
3. Bridge / Distance Between Lenses
4. Effective Lens Diameter
5. Temple Length

































































































































































































































