Ultra-Lightweight Metal Polarized Sunglasses for Modern Eyewear Collections
Model 4021 combines a metal frame, metal temples and polarized lenses in a sleek, lightweight design. Weighing only 18.2g, this model offers a lightweight construction with a clean and contemporary appearance.
The slim metal profile is paired with a distinctive elongated lens shape, creating a refined silhouette suitable for modern fashion and lifestyle eyewear. With 53mm lens width, 18mm bridge width and 34mm lens height, Model 4021 provides balanced proportions while maintaining its lightweight character.
Designed for eyewear brands, retailers, wholesalers, distributors and importers, Model 4021 is available for OEM, ODM, private label and custom sunglasses production.
Product Specifications
|
Specification |
Details |
|
Model |
4021 |
|
Frame Material |
Metal |
|
Temple Material |
Metal |
|
Lens |
Polarized Lens |
|
Hinge |
Metal Hinge |
|
Weight |
18.2 g |
|
Lens Width |
53 mm |
|
Bridge Width |
18 mm |
|
Lens Height |
34 mm |
|
Overall Width |
142 mm |
|
Temple Length |
145 mm |
Measurements are manually taken and may have a tolerance of approximately 1–3mm.

Lightweight Metal Construction
Feature
Model 4021 uses a metal frame and metal temples, while the complete sunglasses weigh only 18.2g.
Advantage
The slim metal construction keeps the frame visually light and minimizes overall product weight.
Benefit
For consumers, the lightweight construction can provide a comfortable option for everyday wear. For eyewear brands and retailers, the 18.2g specification provides a strong product feature for lightweight sunglasses collections.
Polarized Lenses for Glare Reduction
Feature
Model 4021 is equipped with polarized lenses, according to the product specification shown in the image.
Advantage
Polarized lenses are designed to reduce reflected glare from bright surfaces such as roads, water and other outdoor environments.
Benefit
This makes Model 4021 suitable for sunglasses collections targeting driving, travel, outdoor activities and everyday sunwear.
Slim Metal Frame for a Refined Appearance
Feature
The front frame is constructed entirely from metal, with a slim bridge and minimal surrounding structure.
Advantage
The streamlined metal construction creates a clean and understated appearance.
Benefit
This makes Model 4021 suitable for brands looking for a minimalist metal sunglasses style that can work across fashion, lifestyle and everyday collections.
Elongated Lens Shape for a Contemporary Look
Feature
Model 4021 features a distinctive elongated oval/soft geometric lens profile, measuring 53mm wide × 34mm high.
Advantage
The horizontally oriented lens shape creates a sleek visual profile compared with conventional square or oversized sunglasses.
Benefit
For fashion brands and retailers, this gives the model a more distinctive design direction and can add variety to a modern sunglasses collection.
18mm Bridge for Balanced Proportions
Feature
The bridge width is 18mm, positioned between two 53mm lenses.
Advantage
The relatively compact bridge works with the elongated lens profile to maintain a balanced front design.
Benefit
This creates a clean overall appearance that can be positioned as a refined everyday fashion sunglasses style.
Metal Temples with a Slim Side Profile
Feature
Model 4021 uses metal temples extending to a total temple length of 145mm.
Advantage
The slim metal temple design complements the lightweight front frame and maintains a consistent minimalist appearance.
Benefit
The clean side profile makes the model suitable for brands developing modern, understated metal eyewear collections.
Metal Hinges for Practical Folding
Feature
The sunglasses use metal hinges connecting the front and temples.
Advantage
The metal hinge provides the folding mechanism while maintaining the slim construction.
Benefit
This makes Model 4021 suitable for regular everyday use and commercial sunglasses production.
Picture Display




Why Choose Model 4021?
Model 4021 combines metal construction, polarized lenses and an 18.2g lightweight design in a sleek contemporary silhouette.
Key Features
- Metal frame
- Metal temples
- Polarized lenses
- Metal hinges
- Only 18.2g
- 53mm lens width
- 18mm bridge width
- 34mm lens height
- 142mm overall width
- 145mm temple length
- Slim elongated lens profile
- Minimalist metal construction
- Lightweight design
- Suitable for fashion and lifestyle eyewear
- Available for OEM, ODM and private label production
OEM & Private Label Metal Polarized Sunglasses
Want to develop Model 4021 under your own eyewear brand?
We provide customization options covering frame design, colors, lenses, branding and packaging.
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Custom Logo
Add your brand logo to suitable areas such as the temples, lenses or packaging.
Custom Metal Colors & Finishes
Choose different metal finishes and colors to match your brand identity and collection style.
Custom Lens Options
Customize lens colors and technical specifications according to your target market and product requirements.
Custom Packaging
Develop branded sunglasses cases, boxes, cleaning cloths and other packaging for a complete private-label solution.
OEM & ODM Development
Whether you have an existing design or want to develop a new sunglasses collection, our team can support the process from product development to bulk manufacturing.
Bulk Production & Quality Control
For wholesale projects, production and inspection procedures can be arranged to help maintain consistent product quality across bulk orders.
Wholesale Lightweight Metal Polarized Sunglasses
Model 4021 is suitable for B2B buyers looking for lightweight metal sunglasses with polarized lenses.
Potential customers include:
- Eyewear brands
- Fashion brands
- Optical retailers
- Sunglasses wholesalers
- Eyewear distributors
- Importers
- Online eyewear retailers
Its combination of 18.2g lightweight construction, full metal design and polarized lenses gives buyers a commercially versatile option for modern sunglasses collections.
Build Your Next Sunglasses Collection with Model 4021
Looking for a reliable lightweight metal sunglasses manufacturer?
Model 4021 can be customized with your preferred metal finishes, colors, lens options, logo and packaging.
Whether you are sourcing sunglasses for wholesale distribution or developing a private-label eyewear collection, our team can support your project from product selection and customization to bulk production.
Need wholesale pricing?
Looking for custom logo polarized sunglasses?
Want to develop your own private-label eyewear collection?
Contact us for bulk pricing and customization options.
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