Frequently Asked Questions
What is Ray-Ban Chromance lens technology and how is it different from regular polarized lenses?
Are the Ray-Ban 3721CH sunglasses prescription-ready?
What size are the Ray-Ban RB3721CH sunglasses?
What material is the RB3721CH frame made from?
Do Ray-Ban Chromance lenses provide UV protection?
What lens color options are available for the RB3721CH?
Compare With Similar Frames
How the Ray-Ban 3721CH Sunglasses stacks up against the closest alternatives we carry.
- Iconic Clubmaster browline design with retro appeal
- Lightweight metal construction
- Available with polarized lens options
- Unique hexagonal lens shape stands out
- Flat lens design similar to RB3721CH
- Lightweight metal frame
Read the full comparison
Ray-Ban 3721CH vs. Similar Metal Frames
If you're considering the RB3721CH Chromance sunglasses, you might also be weighing other Ray-Ban metal frames. Here's how the 3721CH compares to two popular alternatives in our collection.
RB3721CH Chromance vs. RB3716 Clubmaster Metal
The Ray-Ban Clubmaster Metal 3716 ($144-$276) offers the iconic browline design in a lightweight metal frame. While both models feature quality metal construction and are prescription-ready, the key difference is lens technology and style. The 3721CH features Chromance polarized lenses with enhanced color and contrast—technology not available on the 3716. The 3716's browline design is more retro and may suit those seeking a classic look, while the 3721CH's square shape is more contemporary and offers wider lens coverage for better sun protection. If you prioritize advanced lens performance and a modern aesthetic, the 3721CH is the stronger choice. If you prefer the timeless Clubmaster look and don't need Chromance technology, the 3716 is a solid option at a slightly lower price point.
RB3721CH Chromance vs. RB3548N Hexagonal
The Ray-Ban Hexagonal 3548N ($143-$244) is another geometric metal frame with flat lenses, but the similarities end there. The 3548N's hexagonal lens shape is more fashion-forward and distinctive, while the 3721CH's square shape is sportier and more versatile. The critical difference is again the lens technology: the 3721CH's Chromance lenses deliver superior color enhancement and contrast compared to the 3548N's standard lens options. The 3721CH also features injected temple tips for a more secure fit during activity, making it better suited for outdoor sports. Choose the 3548N if you want a unique geometric look for casual wear; choose the 3721CH if you need performance-oriented lenses and a frame that works equally well for active pursuits and everyday style.
Why Choose the RB3721CH?
The RB3721CH stands out for its Chromance lens technology—Ray-Ban's most advanced polarized lens system. If you spend significant time outdoors, especially on or near water, or if you're sensitive to glare while driving, the enhanced color and contrast of Chromance lenses make a noticeable difference. The square metal frame is also more versatile than niche styles, working well for both active and casual settings. At $285, you're paying for premium lens technology that standard polarized lenses can't match.
At a Glance
Ray-Ban Clubmaster Metal 3716 Sunglasses
Pros:
- Iconic Clubmaster browline design with retro appeal
- Lightweight metal construction
- Available with polarized lens options
- Slightly lower starting price point
Cons:
- Smaller lens coverage than the square RB3721CH
- Does not offer Chromance lens technology
- Browline style may not suit all face shapes
- Less modern aesthetic compared to the square frame
Ray-Ban Hexagonal 3548N Sunglasses
Pros:
- Unique hexagonal lens shape stands out
- Flat lens design similar to RB3721CH
- Lightweight metal frame
- Comparable price range
Cons:
- Does not offer Chromance lens technology
- Smaller lens size may provide less coverage
- Hexagonal shape is more fashion-forward and may not suit all preferences
- Less sporty/performance-oriented than the RB3721CH



