Product Colors and Sizes
500 Men's Short Sleeve UV Protection Surfing Top T-Shirt - Cosmos
365 days free returns
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San Francisco, 735 Market St. Options
Select an available color and size to see options.
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Sun protection
UPF50+ textile. Sun protection even when wet. Blocks at least 95% of UV rays.
Reduced chafing
Tight-fitting cut and seamless panels under the arms. 2-hour sessions.
Stability
Drawstring and loop at the top bottom to keep it firmly in place in waves.
Quick drying
Quick-drying synthetic polyester material.
Easy maintenance
The textile mesh prevents grains of sand from getting stuck.
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Product Reviews

The top fits well.
Hi Chin Sien!
Thank you for your review for the product 500 Men's Short Sleeve UV Protection Surfing Top T-Shirt - Cosmos Blue.
I am delighted that you're happy with this product! Yes indeed, this product helps to reduced chaffing due to its tight-fitting cut and seamless panels under the arms. It also has a drawstring and loop at the bottom to keep it firmly in place in waves. Additionally, this product is UPF50+ textile. Sun protection even when wet and blocks at least 95% of UV rays.
We look forward to more of your reviews and sharing! Plus, the new Decathlon app has been launched and you can now purchase all your favourite sports goods with just a few clicks on your smartphone! Yes, it's now available both in the App store and Google Play Store! Download now and happy shopping!
Thank you for your support and stay safe! :)
Best Regards,
Haziyah
Sports Advisor
Good quality
Being on the water alot I needed some comfortable gear that does the job. This does it in spades.
Need to order atleast 3 sizes larger, tight fit. Have to return it.
Hi Syamsi,
Thank you for your review for this product. We sincerely apologize for the unpleasant experience.
Rest assured, your feedback matters as it allows us to understand the areas that requires improvements. Your satisfaction is our priority and we truly value your input.
*As a Decathlon member, you are entitled to free exchange and refund for lifetime. Terms and conditions apply.
Simply bring along this product to any of our experience stores and approach our friendly teammates at the welcome desk for exchange/refund and it will be done in just a couple of minutes!
You may also contact us via livechat on our website, ring us at +65 3110 0100 or drop us an email at support-singapore@decathlon.com for any further enquiries.
Thank you.
Sportingly,
Nor Azhimy Bin Mohd Senin
Omni-Channel Sports Leader
Decathlon Singapore
Nice fit
Fits perfectly and good quality
Nice store, good price
I used it very comfortable on body, quick dry material with good quality. and yes its UP proof
Light weight and comfy! :)
PERFECTLY SIZED item for the immediate needs of my son
Still ok after a couple of washes
Very good size and fit, worked well whilst snorkeling in Menorca
Good job
Excellent product and service - very pleased with Decathlon
good product
Product information
Composition
Main fabric
- 15% Elasthane
- 85% Polyester
How to choose your uv protection t-shirt?(part 1)
All of our UV-resistant T-shirts are UPF 50+, i.e. they have the maximum level of sun protection. The choice between them will therefore be made based on the length of the sleeves and will depend on what it will be used for. The constraints are greatest for surfing so we decided to build our range primarily for surfing.For surfing, the choice will be made according to the duration of your sessions: 1 hour, 2 hours or 3 hours.
How to choose your uv protection t-shirt?(part 2: according to the duration of the session)
1 hour: Occasional practice. You can choose between a loose fit (priority to ease of dressing and comfort when dry) or a fitted cut (priority to comfort when wet). A loop system to connect it to the shorts ensures the stability of the product.2 hours: Regular practice. Comfort when wet is enhanced by the seamless panels under the arms and the drawstring which further increases stability.3 hours: Intensive practice. Additional warmth to help you stay in the water for longer.
Uv protection even when wet
The fabric of this OLAIAN UV-resistant product blocks at least 98% of UVB radiation and 95% of UVA (UPF 50+). This guarantees effective protection from the sun. It can be used both in and out of the water, for water or nautical sports. The density of the textile fibres filters out UV rays, for long-lasting protection, even after washing. Caution: the elastane contained in the fibre may deteriorate in chlorinated water.
What does upf 50+ mean?
UPF is a sun protection factor (Ultra Violet Protection Factor) and is standardised worldwide. It defines the protection level of a fabric and more precisely the proportion of UV rays it lets through. To meet the standards, it must block at least 95% of UV rays. UPF 50+ means that the fabric blocks at least 95% of UVB and 98% of UVA rays.
Reduced chafing
This UV-resistant T-shirt helps limit rubbing and chafing due to contact with the surfboard or bodyboard. It can also be used under a wetsuit to limit rubbing, particularly around the neck and armpits. We have added seamless panels under the arms to limit irritation due to paddling movements. Our test protocols confirmed that irritation was indeed limited during two-hour sessions.
Support and stability in the waves
This OLAIAN UV-resistant top has a drawstring at the hips. This lets you tighten the top so that it stays firmly in place. It has also been designed so that the drawstring of your boardshorts can be attached to it to stop the top from riding up while you surf.
Warmth and wind
The minimum water temperature recommended for the use of this UV-protection T-shirt is 22°C. Air temperature may increase or decrease this recommendation. Our thermal models (over 2 hours) are made of either fleece, neoprene or both. The presence of wind can have an impact which can be uncomfortable as soon as the wind exceeds 15 km/h: In this case, choose a model with neoprene.
Multi water sports uv protection t-shirt
Our UV tops are designed to meet the needs of the most demanding surfers. Our design choices also make them compatible with other water sports such as swimming, kitesurfing, windsurfing, wakeboarding, water skiing, sea wading or SUP (stand up paddle boarding).
Behaviour when in the sun
Although this T-shirt provides protection from the sun, phenomena such as reflections (from the water, sand, etc.), heat, time of day, etc., must be taken into account. Wearing this T-shirt does not exempt the wearer from adopting suitable behaviour: wear sunglasses, wear a hat or cap, regularly apply an appropriate sun cream, drink regularly, etc.
Surfing sun protection
https://www.olaian.fr/conseils/la-protection-solaire-en-surf-tp_3890
What is the olaian brand?
OLAIAN, DECATHLON'S SURFING BRANDBased in Hendaye, in South West France, OLAIAN is Decathlon's surfing brand. In our offices at the water's edge, we can design a UV-protection T-shirt and then on the same day test it directly in real practice conditions
