Ray-Ban RX6421 Eyeglasses

Ray-Ban RX6421 Eyeglasses Authentic Unisex Square Metal

Ray-Ban RX6421 Eyeglasses Overview

The Ray-Ban RX6421 Eyeglasses deliver a clean, modern look with premium metal craftsmanship and the iconic Ray-Ban style. These authentic unisex frames feature a refined square shape that suits both men and women, blending sophistication with everyday comfort.

Frame Features

Made from high-quality metal, the RX6421 offers strength and style in equal measure. The full-rim design provides durability, while the minimalist profile keeps the look sleek and lightweight. These frames do not include spring hinges but still provide a secure, comfortable fit.

Available Sizes

Choose from three precision-fit options to match your face shape and comfort preference:

• 52-18-140 (B 39)
• 54-18-145 (B 41)
• 56-18-150 (B 43)

Color Options

Available in four stylish finishes that reflect Ray-Ban’s timeless aesthetic:

• 2904 Black
• 2973 Beige on Copper
• 2997 Black Silver
• 3004 Grey on Silver

Design & Fit

With its square shape and unisex styling, the RX6421 is ideal for both professional and casual wear. The lightweight metal build and Ray-Ban’s precision design ensure long-lasting comfort throughout the day.

Collection

Part of the Ray-Ban Eyeglasses Collection, the RX6421 continues the brand’s tradition of timeless craftsmanship and innovation in optical design.

Shipping and Returns

Enjoy free U.S. shipping on orders over $199. Frames-only purchases qualify for standard returns, while frame-and-lens combinations follow our custom lens return policy for made-to-order products.

FAQ Section

Are these authentic Ray-Ban eyeglasses?

Yes, all Ray-Ban RX6421 eyeglasses sold on BestNewGlasses.com are 100% authentic and come with original manufacturer packaging.

Do the Ray-Ban RX6421 frames have spring hinges?

No, this model does not feature spring hinges, but it still offers a stable and comfortable fit.

Can I order these with OmniLux® NAL® or Progressive lenses?

Absolutely. The RX6421 is fully compatible with OmniLux® NAL®, Progressive (PAL), and other custom prescription lenses.

Are these frames suitable for both men and women?

Yes, the RX6421 is a true unisex design, perfect for any face shape or personal style.

Lens Compatibility

The Ray-Ban RX6421 Eyeglasses are compatible with a full range of prescription lenses to match your visual needs and lifestyle preferences:

• ✔️ Single Vision – optimized for clear distance or reading vision
• ✔️ OmniLux® NAL® – advanced no-line multifocal lenses offering premium clarity and comfort
• ✔️ Progressive (PAL) – seamless near-to-far vision without visible lines
• ✔️ Optional Upgrades: Transitions® light-adaptive lenses, blue-light filtering, polarized sun lenses, and premium anti-reflective coatings

B 39 – 43 mm height typically supports most OmniLux® NAL® and Progressive (PAL) lens designs; final suitability depends on your exact prescription and chosen lens style.

Ray-Ban timeless style, authenticity and freedom of expression are the core values of Ray-Ban, a leader in sun and prescription eyewear for generations. Since the introduction of the iconic Aviator model created for the aviators of the United States Army, Ray-Ban has been at the forefront of cultural change, becoming a symbol of self-expression, worn by celebrities and public figures all around the world.

See All Ray-Ban Eyeglasses