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Arena competition swim trunks for men - Carbon Core FX - Dark Blue (Limited 2024)


Pre-order In stock In stock Only 4 in stock Sold out - notify me


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22 UK
In stock Only 4 in stock Sold out - notify me
24 UK
In stock Only 8 in stock Sold out - notify me
26 UK
In stock Only 0 in stock Sold out - notify me
28 UK
In stock Only 0 in stock Sold out - notify me
30 UK
In stock Only 10 in stock Sold out - notify me
32 UK
In stock Only 0 in stock Sold out - notify me


1 pcs. Buy more and save
Why? Our warehouse is chaos-organized. The same sizes/colors are not placed in the same location. We save money in our handling when we only have to pick from one location - that's why the quantity discount only applies to the same size and color. Consider it a bonus that we share the savings with you.

Only applies to the same size and color

NB! This is a pre-order with delivery in week false (01/01 - 08/01)

We have already confirmed that the delivery of this item is on its way to our warehouse. Read more below.

🚚 Scheduled delivery time: Week false (01/01 - 08/01)

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However, please be aware that this date is indicative, but in 98% of cases, it is met. We cannot specify whether it will be at beginning or the end of the respective week. If this changes for your order, we will always proactively inform you of the new expected delivery date via email.

💰 Free shipping on all pre-orders regardless of the amount

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If you order this product as a pre-order, you will receive free delivery with the cheapest delivery method regardless of the order amount. This also applies to any other other purchased items in the same order.

🖇️ Order will be shipped together with the pre-ordered item

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If you order other products on the same order along with this pre-ordered item, then your entire order will first be shipped together at the same time as the pre.ordered item, which is in week false (01/01 - 08/01).

🔄 365-day return policy starts once when we dispatch the order.

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We will charge the full amount for your order, including the pre-order item and any other purchased items, 2 days after the order is completed. We do this to avoid additional late payment fees. You can still cancel and get a refund for the pre-order item and/or the entire order until dispatch - it just requires a call, a chat, or an email.

NB! Pre-order for week false (01/01 - 08/01)
Get notified when back in stock

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Price including VAT etc.

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Free delivery over €79 (under = €4)

Get free delivery to a parcel shop with An Post on orders over 79€. Below that, delivery costs from just 4€. Delivery is 3-5 days for orders placed before 9 PM

365 days free exchange

We (also) hate stress. That's why you have 365 days to exchange/get a voucher. And it's completely free through our returns system. For regular returns, you have a full 30 days. 

Trustpilot 4.7 / 5 ⭐⭐⭐⭐⭐ (+650.000)

We have helped more than 650,000 people with their equipment and swimwear. They have given a Trustpilot score of 4.7 out of 5.0. They all chose Watery because of these unique benefits.

Contact us 7 AM - 9 PM all weekdays

We love to help. That's why we're available Monday-Friday from 7 AM to 9 PM. In the weekend between 9 AM to 3 PM. See contact options here.


Gain power over the water

Here you get a pair of super cool swim trunks that are ideal for those competitions where you swim breaststroke, backstroke or medium and short crawl distances. They support your body in the water and are also very comfortable, so you can focus all your energy on delivering your best performance.

Arena's latest Carbon Core FX is specially designed to give you the feeling of speed and control between your fingers. These competition swim trunks are specially designed to support, which it does through the intense compression to the muscles that are used most when swimming with as much oxygen as possible.

It certainly doesn't matter what you wear when you're at competitions. The suit can make all the difference, which is why it's a good place to invest if you want to see improvements in your results.

The high-tech swim trunk is made from carbon mesh fabric and features horizontal and vertical taping on the back of the thighs. This helps maintain a horizontal, raised position in the water - even when your legs are already tired. With the comprehensive compression, you're ready for action and can face any challenge with confidence.

Also available in colors like black/gold.


  • Really cool swim trunks that are great for multiple styles
  • Intense compression that oxygenates the muscles that need it most
  • Good investment as they can last for many years
  • Maintains horizontal and elevated position in the water
  • Provides a lot of confidence

So if you're really serious about taking your swimming to the next level then Arena Carbon Core FX is for you.

These Competition Swim Trunks from Arena have been voted Best Whatever the Price for swimmers with 3-5 swim sessions per week + Best Whatever the Price for swimmers with 5-10 swim sessions per week in the Competition Swim Trunks category.

konkurrence badebukser

Arena Carbon Core FX:
- High compression + high comfort.

Read more about the Arena Carbon Core FX being awarded Best Whatever the Price for swimmers with 3-5 swim sessions per week + Best Whatever Price for swimmers with 5-10 swim sessions per week in the Competition Swim Trunks category here.

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Customer Reviews

Based on 6 reviews
Camilla Burin Ratzlaff

Delicious bathing suits

Henriette M.

They are as expected

Fredrik T.
First -class quality and materials,

Top class quality and materials, but small in size.

Tanja H.

Beautiful and well -fitting bathing suits, good experience in the water.

Niels N.
World class

World class and really nice

Good, but too small!

Bought two arena competition swimming trunks, exactly the same size. One pair fit perfectly, while the "carbon core fx powerskin" was unfortunately far too small, too bad. Will exchange for a larger size.

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Do you have questions about products, recommendations, or returns? Click here to ask our product experts and customer service between 7 AM to 9 PM on weekdays. We look forward to hearing from you.

Free exchange / easy returns

Yes, that's right. Exchange is completely free when using our fast return system - without the need for a printer. Click here to learn more. Regular returns cost €5.

Free 3-5 days shipping over €79

Delivery is on us when you purchase for over €79. Below that threshold, it costs starting from €4. We deliver with An Post.

In doubt? Check out our recommendations.

Not sure if this is the right product for you? Click here to see our detailed product recommendations. Handpicked by our founder.



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