Divers Supply Logo

Need help?

Need Help 1.800.999.3483 ⮟

Close
Help timeHours
Monday - Thursday 10AM - 7PM
Friday- Saturday: 10AM - 6PM
Sunday: 12PM - 5PM - EST

Your Account

Register

Brands  Current Specials

Mares Avanti Quattro 4X Fins

Mares Avanti 4X White/Aqua Xsmall

Mares Avanti 4X White/Aqua Small

Mares Avanti 4X Black/Dark Grey Xsmall

Mares Avanti 4X Black/Dark Grey Small

Mares Avanti 4X Black/Dark Grey Regular

Mares Avanti 4X Black/Dark Grey Xlarge

Mares Avanti 4X Orange/Black Small

Mares Avanti 4X Orange/Black Regular

Mares Avanti 4X Orange/Black Xlarge

Mares Avanti 4X Black/Yellow Fluo Small

Mares Avanti 4X Black/Yellow Fluo Regular

Mares Avanti 4X Black/Yellow Fluo Xlarge

Mares Avanti 4X White/Black/Blue Xsmall

Mares Avanti 4X White/Black/Blue Small

Mares Avanti 4X White/Black/Blue Regular

Mares Avanti 4X White/Black/Blue Xlarge

1 Review
SKU: MAR-410029SWHKBL
Free shipping
$259.95

Size Chart
$259.95
Aqua
$259.95
Black/Grey
$259.95
Black/Orange
$259.95
Black/Yellow
$259.95
White/Blue
Availability: More on the way
Please select an option
* California Residents: Please view the Proposition 65 WARNING.
* Instructors: Click here
60/120 Day Returns
Best Price Guarantee
Chat with Experts
Related Products
Apeks Fins Rk3 Hd Black Small

Apeks Fins Rk3 Hd Black Small

From
$219.00
View Options
Ocean Reef Duo II Travel Fins Pink S/M

Ocean Reef Duo II Travel Fins Pink S/M

From
$39.95
View Options
Edge Open Heel Flex Scuba Fin X-Large Blue

Edge Open Heel Flex Scuba Fin X-Large Blue

From
$99.95
View Options
Seac Propulsion S Fins with Bungee S/M Tiffany

Seac Propulsion S Fins with Bungee S/M Tiffany

From
$149.90
View Options
Oceanic Manta Ray Fin White-Black Xl

Oceanic Manta Ray Fin White-Black Xl

From
$194.95
View Options
ScubaPro GO Travel Blue XS/S

ScubaPro GO Travel Blue XS/S

From
$119.00
View Options

Product Description

Mares Avanti Quattro 4X Fins

The Avanti QUATTRO 4X is the long-awaited evolution of the legendary Avanti Quattro+. Designed for divers of all levels, this open-heel fin combines comfort, power, and precise control. Whether you prefer flutter, frog, or back kicks, the Avanti QUATTRO 4X delivers smooth, efficient propulsion with minimal effort.
Its construction merges Mares’ proven technologies with innovative refinements to improve performance in every underwater scenario.

Key Features:

  • Three-material construction for performance and comfort:
    • The entire fin is made from three different materials. This combination allows for a flexible yet responsive blade that maximizes thrust while reducing fatigue. The blend of materials is carefully chosen to balance power, durability, and diving comfort.
  • Optimized foot pocket design:
    • The upper section of the foot pocket is made from soft thermoplastic rubber for a snug and comfortable fit. The lower section is reinforced and extends into the blade, improving stability and ensuring that leg energy is transferred efficiently into forward motion.
  • 4-channel blade for greater propulsion:
    • Four channels along the blade bend and guide water efficiently, increasing thrust and reducing leg fatigue, even on longer dives.
  • Stabilizing side ribs with overmolding:
    • The side ribs improve blade flex and reduce lateral movement. Overmolding reinforces the ribs and increases the channeling effect while adding a sleek visual finish.
  • Anatomical heel pad:
    • Reduces stress on tendons and increases comfort. The large loop allows for quick donning and doffing, even with gloves.
  • Elastic bungee strap with protective cover:
    • Easy to use, adaptable to different foot shapes, and protected to increase durability.
  • Anti-slip sole:
    • A rubberized grip under the foot pocket ensures a firm hold on wet surfaces, making the fin safer to wear on boats or rocky shores.
  • Reusable mesh bag:
    • Supplied with a quick-drying carry bag that supports Mares commitment to reducing single-use plastic.

Product Information

Product CategoryFins
SKUMAR-410029
ConditionNew
BrandMares
Sizing
Mares Size Chart

Small

Regular

X-Large

US Men's Shoe Size

6-99-1111-13

US Women's Shoe Size

7-1010-1212-14

UK

5.5-8.58.5-10.510.5-12.5

Euro

38-4343-4545-48

Product Weight (lbs per pair)

4.24.755.2

Product FAQs

(1 Question)
Ask a Question

HOW LONG ARE THESE AND WHAT DO THEY WEIGH SIZE XL I HAVE A PAIR OF SCUBA PRO JET FINS XL AND THEY ARE TIGHT ON FOOT

09/10/2025
09/12/2025 Answered by Divers Supply

The fin measurements are as follows Length: 25 12 inches long Width at widest point: 8 1/4 Foot pocket heel to end of toe: 10 1/2 Weight: 4 lbs

Product Reviews

4.0 out of 5 stars
Review This Product

Awesome Fins

By Harold Welch on September 29, 2025 Verified Buyer

These fins are comfortable and powerful in the water. Also loved the orange color.

Thank you for your feedback on this item.

By Jeff McGovern on December 27, 2025 Verified Buyer

I own both versions of this fun having just received the 4x couple weeks ago. While I haven't used fin in the water the previous version is my favorite fin. I like it more than my RK3s, but I will add the newer version is about 30% stiff fee so I think it will be a better fin. You can see difference when grabbing fin ends and bending end, the new fins is significantly more stiff. I can't wait to try the new version soon.

Thank you for the stellar review of this product.

Show all ReviewsWrite A Customer Review
Mares Avanti 4X White/Black/Blue Small
$259.95
×
60/120 Day Return or Exchange

At Divers Supply you can take advantage of our 60/120 day return policy. You may order just about anything, Inspect the equipment when it arrives, and if you're not fully satisfied you can return it for a full refund (less the shipping charge, for items which we offer free shipping the original shipping savings associated with the returned item(s) will be deducted), as long as you haven't used it. We won't even ask why you've changed your mind.

No restocking fee and no questions asked (provided it has not been used). Items returned within 60 days of date of invoice, will get full refund less S/H charges, Items returned between 60-120 days of date of invoice, will get a full store credit less S/H charges.

To return an item, just follow link below.
Return Merchandise Form

×
Chat with an Expert

Questions about this item?

Ask us anything, or share you feedback. Our Staff is friendly and knowledgeable and always here to help! We are committed to earning your business with excellent service and prices. Divers Supply has been in business for over 40 years and is always working to give you the best SCUBA gear and equipment at the very lowest prices possible. So chat with one of our Experts and let us help get you into the best gear at the best price!


Click to Chat

×
Best Price Guaranteed

So, you know what you want but you're on a budget? Or, you've found a lower price somewhere else? Don't worry, we have you covered.

Divers Supply is always working to give you the best SCUBA gear and equipment at the very lowest prices possible. With that, we guarantee to beat any authorized dealers price for the same product!

Another goal of Divers Supply is to fit all of the equipment you need inside your budget. We can not guarantee we can accomplish this, but we will always give it a shot!

Follow the steps below to submit your quote:

  1. Add Product(s) to your cart, once all of your products are in the cart, choose to view and edit your cart.
  2. In the cart click "Request a quote" and follow the proceeding instructions.
  3. In the comments sections, tell us what you would like to pay for the product(s) in your cart. (Please add comments in the cart, ex. I found a better price at)
  4. Submit the request and we will notify you as soon as possible; Monday - Friday.

We want to make sure we've done everything possible to get you the products you need within your budget. If you found a lower price on an identical item, tell us where.

Add a note with any special requests, shipping instructions, or important product details.