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Superflex SF-598 Eyeglasses
Superflex SF-598 Eyeglasses
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$62.77

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Superflex SF-598 Eyeglasses

M300 - MATTE BLACK / 56

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Superflex SF-598 Eyeglasses Superflex SF-598 Eyeglasses Superflex SF-598 Eyeglasses
Superflex SF-598 Eyeglasses
Superflex SF-598 Eyeglasses
Superflex SF-598 Eyeglasses
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Color

Size

M300 - MATTE BLACK / 56
M300 - MATTE BLACK / 54
S403 - GREY BLACK / 54
S401 - BLUE TORTOISE / 56
S403 - GREY BLACK / 56
S401 - BLUE TORTOISE / 54

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DESCRIPTION RATINGS & REVIEWS PRESCRIPTION GUIDE

The Superflex SF-598 eyeglasses deliver practical, everyday style for men who want quality frames without the premium price tag. Built with a classic rectangle shape and full-rim acetate construction, these frames balance durability with a lightweight feel that's comfortable for all-day wear.

The SF-598 features acetate frames in three versatile finishes: matte black for understated style, grey black for a modern two-tone look, and blue tortoise for a touch of personality. Acetate is known for its flexibility and ability to retain its shape over time, making it an ideal material for prescription eyewear that needs to stand up to daily use. The full-rim design provides secure lens retention and works well with a range of prescription strengths, including bifocals and progressives.

Spring hinges add flexibility to the temples, allowing them to flex outward beyond the standard 90-degree angle. This feature reduces pressure on your temples and ears during extended wear, and it makes the frames more resistant to damage if you accidentally bend or drop them. The universal fit bridge and 17mm bridge width accommodate a variety of face shapes, while the rectangle silhouette is particularly flattering on oval and round faces.

Available in two sizes—54mm and 56mm lens width—the SF-598 is fully prescription-ready. Whether you need single-vision lenses for distance or reading, progressive lenses for multifocal correction, or even prescription sunglasses with clip-ons, these frames can handle it. The single-bridge design and full-rim construction ensure your lenses stay secure and properly aligned.

At this price point, the SF-598 offers excellent value for anyone looking for a reliable pair of everyday eyeglasses. The combination of quality acetate, spring hinges, and a versatile rectangle shape makes these frames a smart choice for work, casual wear, or as a backup pair.

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Customer Reviews

Based on 1 review
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M
M Murray
The worst experience

The worst experience I’ve ever had. Do not order from them. Glasses are wayyyy too expensive and they will play in your face. Shop anywhere else.

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Frequently Asked Questions

Are the Superflex SF-598 eyeglasses prescription-ready?

Yes, the SF-598 frames are fully prescription-ready and compatible with single-vision, bifocal, and progressive lenses. The full-rim acetate construction securely holds prescription lenses of varying thicknesses, making them suitable for a wide range of prescriptions. You can also add custom clip-on sunglasses for sun protection.

What are the benefits of spring hinges on these frames?

Spring hinges allow the temples to flex outward beyond 90 degrees, providing a more comfortable and adaptable fit for different head sizes. They reduce pressure on your temples and ears during extended wear, and they make the frames more durable by preventing damage from accidental bending or dropping. Spring hinges are particularly valuable for everyday eyewear that gets frequent use.

What face shapes work best with rectangle eyeglasses?

Rectangle frames like the SF-598 are universally flattering and work well with most face shapes, but they're particularly suited for oval, round, and heart-shaped faces. The angular lines of rectangle frames add definition and balance to softer facial features. The SF-598's universal fit bridge and two size options (54mm and 56mm) help ensure a proper fit across different face widths.

How durable are acetate eyeglass frames?

Acetate is a high-quality frame material known for its durability, flexibility, and ability to retain its shape over time. It's lightweight yet strong, making it ideal for everyday eyewear. Acetate frames can withstand regular use and minor impacts better than basic plastic, and they're less likely to cause skin irritation. When combined with spring hinges, acetate frames offer excellent longevity.

What sizes are available for the SF-598?

The Superflex SF-598 is available in two lens widths: 54mm and 56mm. Both sizes feature a 17mm bridge width. The 54mm size has 140mm temples, while the 56mm size has 145mm temples. The different sizes accommodate various face widths, with the 54mm being better suited for smaller to medium faces and the 56mm for medium to larger faces.

Are these frames good for strong prescriptions?

Yes, full-rim rectangle frames like the SF-598 are an excellent choice for strong prescriptions. The frame's edge helps conceal the natural thickness of high-prescription lenses, making the glasses appear slimmer and lighter. The acetate construction is thick enough to accommodate various lens materials, including high-index lenses that reduce thickness for stronger prescriptions.

Compare With Similar Frames

How the Superflex SF-598 Eyeglasses stacks up against the closest alternatives we carry.

This product
Superflex SF-598 Eyeglasses
Superflex Superflex SF-598 Eyeglasses $60.91
Read the full comparison

Comparing Superflex Rectangle Eyeglasses

If you're considering the Superflex SF-598, you might also want to compare it to other rectangle frames in the Superflex collection. All three models share the brand's commitment to quality acetate construction, flexible hinges, and prescription compatibility at budget-friendly prices.

SF-598 vs SF-541: Classic Everyday Frames

Both the SF-598 and SF-541 are positioned as reliable everyday eyeglasses for men, featuring rectangle shapes and full-rim acetate construction. The SF-541 is priced similarly ($60.91–$64.59) and offers the same lightweight construction and flexible hinges that make Superflex frames comfortable for all-day wear. The main differences come down to specific style details in the temple design and available color options. If you prefer the color choices in the SF-598 (matte black, grey black, or blue tortoise), it's the better pick. The SF-541 may offer different finishes that appeal to different style preferences.

SF-598 vs SF-484: Budget Considerations

The SF-484 sits at a slightly higher price point ($63.69–$86.00) but maintains the same Superflex quality standards. Like the SF-598, it features acetate construction and is fully prescription-ready for single-vision, bifocal, and progressive lenses. The price difference may reflect different aesthetic details, additional color options, or slight variations in frame dimensions. For pure value, the SF-598 offers the most affordable entry point into quality Superflex eyewear.

Why Choose the SF-598?

The SF-598 stands out as an excellent choice if you want a straightforward, well-built rectangle frame at the lowest price point in the Superflex lineup. The combination of spring hinges, quality acetate, and three versatile color options makes it ideal for anyone seeking reliable everyday eyeglasses without premium pricing. The universal fit bridge and two size options (54mm and 56mm) ensure a proper fit for most face shapes and widths. For men who need prescription eyewear that balances quality, comfort, and affordability, the SF-598 delivers exactly what you need.

At a Glance

Superflex SF-541 Eyeglasses

Pros:

  • Similar price point ($60.91–$64.59)
  • Same brand quality and construction standards
  • Classic rectangle shape with flexible hinges
  • Lightweight construction for all-day comfort

Cons:

  • May have different color options than the SF-598
  • Specific style differences in temple design
  • Potentially different size availability

Superflex SF-484 Eyeglasses

Pros:

  • Same Superflex quality and durability
  • Acetate construction with flexible features
  • Prescription-ready for all lens types
  • Budget-friendly pricing

Cons:

  • Slightly higher price range ($63.69–$86.00)
  • Different aesthetic details and color options
  • May have different fit characteristics

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