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The Charmant Pure Titanium TI8105 Eyeglasses bring together Japanese precision engineering and a navigator-inspired double-bridge design that works equally well in the boardroom or on the weekend. These prescription-ready frames are built from 100% pure titanium—not a titanium alloy—meeting Charmant's strict material standards that actually exceed industry guidelines for what can be called "pure titanium."
Why Pure Titanium Matters
Titanium frames are 48% lighter than conventional metal eyeglasses, and you'll notice the difference immediately. The TI8105 sits comfortably on your nose and ears without the pressure points or sliding that heavier frames cause during long days at a screen or behind the wheel. The material is completely hypoallergenic and nickel-free, so if you've experienced irritation or redness from other metal frames, these won't trigger that reaction. Pure titanium is corrosion-resistant—it won't tarnish from sweat, humidity, or daily wear—and it's strong enough to hold its shape and adjustment over time.
Navigator Shape, Three Sizes
The navigator shape features a squared-off aviator silhouette with a functional double bridge that adds structural stability for prescription lenses. The full-rim construction secures your lenses completely, and the 18mm bridge provides a secure, balanced fit. You can choose from three lens widths—54mm, 57mm, or 60mm—to match your face width and pupillary distance. Available in Demi Amber (gold frame with tortoise accents), Titan (brushed silver), and GEP (gold electroplate), each colorway pairs gold-toned temples with the frame front.
These frames accept single-vision, progressive, and bifocal prescription lenses. The navigator shape offers generous vertical lens height, which works well for progressive wearers who need clear zones for distance and reading. Adjustable nose pads let you dial in the fit, and the temples are designed to flex slightly without losing their set.
Charmant has been a pioneer in titanium eyewear since the 1980s, and the TI8105 reflects decades of refinement in how to work with this demanding material. The frames are lightweight but substantial, flexible but stable—engineered for people who wear glasses all day and need them to disappear on the face.
Product Details
Product DetailsModel
TI 8105Gender
Material
Bridge Type
Rim Type
Age Group
Color Details
Color DetailsFrame Color
GoldColor Code
DAColor Description
Demi Amber
Frame Color
GoldColor Code
DAColor Description
Demi Amber
Frame Color
TanColor Code
TIColor Description
Titan
Frame Color
GoldColor Code
GPColor Description
Gep
Frame Color
GoldColor Code
GPColor Description
Gep
Frame Color
GoldColor Code
DAColor Description
Demi Amber
Frame Color
TanColor Code
TIColor Description
Titan
Frame Color
GoldColor Code
GPColor Description
Gep
Frame Color
TanColor Code
TIColor Description
Titan
Size Details
Size DetailsLens Width
57mmBridge Width
18mmTemple Length
145mmSize
5718-145
Lens Width
54mmBridge Width
18mmTemple Length
140mmSize
5418-140
Lens Width
60mmBridge Width
18mmTemple Length
145mmSize
6018-145
Lens Width
57mmBridge Width
18mmTemple Length
145mmSize
5718-145
Lens Width
60mmBridge Width
18mmTemple Length
145mmSize
6018-145
Lens Width
60mmBridge Width
18mmTemple Length
145mmSize
6018-145
Lens Width
54mmBridge Width
18mmTemple Length
140mmSize
5418-140
Lens Width
54mmBridge Width
18mmTemple Length
140mmSize
5418-140
Lens Width
57mmBridge Width
18mmTemple Length
145mmSize
5718-145
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Frequently Asked Questions
Are these eyeglasses prescription-ready?
Yes, the Charmant Pure Titanium TI8105 is fully prescription-ready and accepts single-vision, bifocal, and progressive lenses. The full-rim construction and 18mm bridge provide stable lens support, and the navigator shape offers sufficient vertical height for progressive lens corridors. You can add prescription lenses during checkout.
What makes pure titanium frames hypoallergenic?
Pure titanium is 100% biocompatible and contains zero nickel, the metal most commonly responsible for contact dermatitis and skin allergies. Charmant uses titanium that exceeds industry purity standards (100% titanium vs. the 90% minimum required for certification), making these frames safe for people with sensitive skin or metal allergies.
How much do pure titanium frames weigh compared to regular metal frames?
Pure titanium frames are approximately 48% lighter than conventional metal frames made from steel or metal alloys. This significant weight reduction minimizes pressure on the nose and behind the ears, making them ideal for all-day wear, especially if you have a stronger prescription that requires thicker lenses.
What size should I choose for the TI8105?
The TI8105 is available in three lens widths: 54mm, 57mm, and 60mm. Choose based on your face width and current glasses—if your existing frames are 52-55mm, try the 54mm; for 56-58mm frames, the 57mm; and for 59mm or larger, the 60mm. The 18mm bridge and adjustable nose pads accommodate different nose widths across all three sizes.
Will titanium frames hold their adjustment over time?
Yes, pure titanium has excellent shape memory and holds adjustments well. The material's high tensile strength means the frames maintain their fit and don't gradually loosen like some softer metals. However, titanium does require a skilled optician for adjustments due to its hardness—avoid bending them yourself.
Are these frames suitable for strong prescriptions?
Yes, the TI8105's full-rim construction and double-bridge design provide excellent support for thicker prescription lenses. Titanium's rigidity maintains precise optical center alignment even under lens weight, which is critical for higher prescriptions. Pair with high-index lenses (1.67 or 1.74) to minimize thickness and weight.
Compare With Similar Frames
How the Charmant Pure Titanium TI8105 Eyeglasses stacks up against the closest alternatives we carry.
- Same pure titanium construction and hypoallergenic benefits
- Similar quality and Japanese engineering
- Slightly different style option in the same collection
- Exact same price as the TI8105
- Same pure titanium material and hypoallergenic properties
- Alternative style within the same trusted collection
Read the full comparison
Charmant Pure Titanium TI8105 vs. Similar Models
If you're considering the TI8105, you might also be weighing other frames in Charmant's Pure Titanium collection. Here's how the TI8105 compares to two similar models available at Designer Optics.
TI8105 vs. TI8120
Both the TI8105 and TI8120 are priced identically at $92.29 and share the same 100% pure titanium construction, hypoallergenic properties, and Japanese manufacturing quality. The key difference is frame shape: the TI8105 features a navigator/aviator-inspired double-bridge design with a squared-off lens shape, while the TI8120 offers a different silhouette. If you're drawn to the classic aviator aesthetic with modern refinement, the TI8105 is the better choice. If you prefer a different look but want the same material benefits and price point, explore the TI8120.
TI8105 vs. TI8172
The TI8172 sits slightly higher in the collection at around $104.60, representing a modest step up from the TI8105's $92.29. Both frames deliver the same pure titanium advantages—lightweight comfort, corrosion resistance, and nickel-free construction—but the TI8172 may offer design refinements or a different frame shape that justifies the price difference. For customers specifically seeking the navigator double-bridge look, the TI8105 offers better value. For those open to exploring other styles within the Charmant Pure Titanium line, the TI8172 is worth considering.
Why Choose the TI8105?
The TI8105 stands out if you want a navigator-inspired frame with a functional double bridge, three size options (54mm, 57mm, 60mm), and the proven benefits of pure titanium at an accessible price. It's a strong choice for anyone who needs prescription-ready frames that are lightweight, hypoallergenic, and built to last—especially if you wear your glasses all day or have had issues with heavier or irritating frames in the past.
At a Glance
Charmant Pure Titanium TI8172 Eyeglasses
Pros:
- Same pure titanium construction and hypoallergenic benefits
- Similar quality and Japanese engineering
- Slightly different style option in the same collection
Cons:
- Slightly higher price point
- Different frame shape may not suit those specifically seeking navigator style
- Fewer size options depending on model
Charmant Pure Titanium TI8120 Eyeglasses
Pros:
- Exact same price as the TI8105
- Same pure titanium material and hypoallergenic properties
- Alternative style within the same trusted collection
Cons:
- Different frame shape may not appeal to navigator/aviator style seekers
- Specific design differences may affect fit preferences
- May have different size availability