Search  for anything...
Ray-Ban

Ray-Ban Women's RB4378 Square Sunglasses

  • Based on 455 reviews
Condition: New
Checking for the best price...
$160.00 Why this price?

Buy Now, Pay Later

As low as $26.67 / mo
  • – 6-month term
  • – No impact on credit
  • – Instant approval decision
  • – Secure and straightforward checkout

Ready to go? Add this product to your cart and select a plan during checkout.

Payment plans are offered through our trusted finance partners Klarna, PayTomorrow, Affirm, Afterpay, Apple Pay, and PayPal. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Selected Option

Free shipping on this product

FREE 30-day refund/replacement

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

Availability: Only 2 left in stock, order soon!
Fulfilled by SB Outdoor
Arrives Wednesday, Sep 24
Order within 13 hours and 35 minutes
Available payment plans shown during checkout

Recently Viewed

Color: Havana/Dark Blue


Lens Width: 54 Millimeters


Description

Discover the complete collection of Ray-Ban sunglasses styles available online. Choose from a selection of iconic and instantly recognizable frames, including legendary Aviator and Wayfarer styles, as well as edgy new arrivals inspired by the latest trends. Browse our men's sunglasses and women's sunglasses collections to find your perfect style. Ray-Ban sunglasses sold by authorized sellers, like Amazon, are eligible for all manufacturer warranties and guarantees. Click on the Ray-Ban link above the product title to shop the entire Ray-Ban sunglass and eyeglass assortment.

Department ‏ : ‎ womens


Date First Available ‏ : ‎ May 1, 2025


Best Sellers Rank: #145,323 in Clothing, Shoes & Jewelry (See Top 100 in Clothing, Shoes & Jewelry) #1,016 in Women's Sunglasses


#1,016 in Women's Sunglasses:


Customer Reviews: 4.2 4.2 out of 5 stars 455 ratings


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Wednesday, Sep 24

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Similar Products

Top Amazon Reviews

    • Stylish and Practical! Not too tight on the face.
Color: Black/Grey Gradient Lens Width: 54 Millimeters
I recently bought the Ray-Ban Women's RB4378 Square Sunglasses, and I am so glad I did! I have a square-shaped face, and finding sunglasses that complement my facial structure can sometimes be a challenge. But these fit my face perfectly – they have just the right shape to soften the angles of my face while still giving off a sleek, stylish look. The square frame is modern but classic enough to go with any outfit, whether I’m dressed casually or more put-together. What really stands out to me is how practical these sunglasses are, especially for driving. I drive a lot, and I often find myself driving during sunrise or sunset when the sun is at that difficult angle and it’s hard to see the road. These Ray-Bans do an amazing job of blocking the glare while still giving me clear vision. The lenses are just dark enough to protect my eyes but not so dark that I struggle to see things around me. Whether it’s sunny or overcast, these shades are perfect for keeping my eyes comfortable and focused on the road. Another great feature is that they cover the eye area well, providing full protection from the sun. The lenses are wide enough to shield not just the eyes but also the delicate skin around them, which is a huge plus when you’re outside for long periods. No squinting, no eye strain – just clear, comfortable vision. The frame itself is lightweight, so even if I wear them for hours at a time, they don’t feel heavy or uncomfortable on my face. In terms of style, they’re an absolute winner. The design is chic without being over-the-top, and I’ve gotten so many compliments on how stylish they look. They have that signature Ray-Ban quality and elegance that instantly elevates any look. Whether I’m running errands, driving, or spending the day outdoors, these sunglasses are my new go-to. Overall, I couldn’t be happier with the Ray-Ban RB4378 Square Sunglasses. They fit well, look great, and are incredibly functional, especially when it comes to driving in bright sunlight. If you have a square face like mine or just want a stylish, protective pair of sunglasses, I highly recommend them! ... show more
Reviewed in the United States on September 10, 2024 by Aurora
    • Love these!!! Classic fit, elegant and stylish for a wide face!
Color: Havana/Gradient Brown Lens Width: 54 Millimeters
Love these! They’re super flattering, lightweight, great quality! Sun protection 5 stars, fit my wide face perfectly! No hair snagging when you put on top of your head ladies! Love these!!
Reviewed in the United States on July 10, 2025 by samantha engerman
    • Well worth the money
Color: Black/Dark Green Lens Width: 54 Millimeters
Greatest sun glasses ever made. Have had RayBan sunglasses for 50 years and have never been disappointed.
Reviewed in the United States on July 25, 2025 by customer shee
    • Perfect
Color: Havana/Gradient Brown Lens Width: 54 Millimeters
Perfect fit!
Reviewed in the United States on August 12, 2025 by Amazon Customer
    • Lentes para el sol
Color: Opal Blue/Dark Grey Lens Width: 54 Millimeters
Hice esta compra para mi misma pensando en que son de buena marca y me gustarían pero quede desilusionada, para el precio que tienen a mi gusto la calidad es muy baja, se que hoy en día se utilizan materiales ligeros pero estos definitivamente eran de calidad de plástico muy barato, el color y diseño si es bonito pero en cualquier momento se me iban a romper así que no me arriesgué y los devolví, seguiré buscando algo mejor ... show more
Reviewed in the United States on August 25, 2025 by Gisela
    • Nice lightweight sunglasses
Color: Havana/Gradient Brown Lens Width: 54 Millimeters
Love these. Need better sunglasses now that I have glaucoma. Only gets four stars because the day they were delivered they went down 30 dollars.
Reviewed in the United States on June 16, 2025 by Kindle Customer
    • Very poor quality
Color: Havana/Gradient Brown Lens Width: 54 Millimeters
I don’t know about the quality of these. They felt like they came off the $ 5rack at the drugstore.
Reviewed in the United States on July 23, 2025 by Christine Jay
    • Very stylish
Color: Transparent Grey/Dark Blue Polarized Lens Width: 54 Millimeters
Review Image by John John
I love these sunglasses so much that I wear them every day when I go out! The polarizing effect makes my eyes feel so comfortable without worrying about the chances of having bad eyesight. I like this color a lot too; it makes me look more feminine. The bigger sunglasses’ frame can cover my cheek, and it looks stylish! ... show more
Reviewed in the United States on February 3, 2025 by John John

Can't find a product?

Find it on Amazon first, then paste the link below.
Checking for best price...