Men's Long Sleeves UV protective Swim shirt - Hightide Coolibar

Sun protection: UPF 50+ guaranteed, highest rate

€63,92 €79,90
We offer Europe-wide shipping and free shipping options, more details below.
€63,92 €79,90

Coolibar is an American brand that runs large, use the size guide for more details.

Size guide
Brand Size (US) Chest Size (cm)
S 86 - 92
M 97 - 102
L 107 - 112
XL 117-122
XXL 127 - 132

To measure your chest size, place the tape measure at your armpits, at the strongest point, and go around.

Free delivery and returns from 69€ in the Netherlands.

You have a question? Check out our FAQs or contact us by email or live-chat.


This men's sun protective t-shirt has been developed for swimming and water sports such as paddleboarding, kite-surfing, windsurfing, boating etc.

It is a real favorite because it protects from the sun , allows swimming but without being tight and close to the body.

To make sure it stays in place, it has an anti-slip elastic at the rear rear hem. You will also find a clip, to be able to hang it discreetly on the swimsuit.

It also has a back pocket to put keys or small items.

To make sure it doesn't irritate your skin if you wear it while doing activities, it has flat seams to prevent chafing .

  • Sun protective T-shirt:UPF 50+ certified (the highest certification)
  • Round collar
  • Flat seams to prevent chafing
  • Hem with non-slip elastic to keep the t-shirt in place.
  • Loop to hang the t-shirt on the swimsuit
  • Back pocket
  • Aqua Classic ™ fabric:Chlorine and seawater resistant
What does UPF 50+ mean?

This product is UPF 50+ certified.

UPF stands for Ultraviolet Protection Factor. It is an index measuring the ability of a fabric or material to filter out ultraviolet rays. The UPF 50+ index is the highest UV protection certification, according to European standard EN 13758-1. An UV protective garment with UPF 50+ certification blocks over 98% of UV rays, protecting your skin from possible burns and lesions.

By way of comparison, a cotton summer t-shirt often has a protection factor of around UPF 5. This means that 20% of UV rays pass through the fabric, which is a lot for someone who has to stay out of the sun or is exposed to it for long periods of time.

At KER SUN, your safety is our priority. That is why we use our own laboratory to test the UV clothing and accessories we offer on our online shop to make sure they comply with UPF 50+ certification.

Payment methods

  • Credit cards (Visa, Mastercard, Apple Pay)
  • Paypal
  • Bank Wire


The stated delivery times are calculated in working days from Monday to Friday. All products are dispatched from France.


 Standard Delivery (Home Delivery) 2 - 8 Working days Free from 69€ (or 4,90€)
Express Delivery (Home Delivery) 2 - 4 Working days 8,50€



Would you like to make a return? Find out more about the procedure here.

Returns for refund :  

  • Returns for refund are possible for 14 days from the date of receipt of the parcel. We will issue a full refund for the returned product(s)*.
  • We offer a return transport label for returns from mainland France, Belgium, Germany, Luxembourg, the Netherlands, Spain and Italy.
  • For returns from Sweden and Denmark, we offer the shipping label for 5€.
  • For other countries, the return is at the customer's expense.

*If shipping costs have been paid at the time of ordering, they will not be refunded.

Exchanges : 

  • To make an exchange, simply return the item and order the new one. Once the product has been returned to our premises, you will be refunded.

Customer Reviews

Based on 3 reviews

T-shirt de bain Anti UV - Homme - Coolibar - Hightide

philippe b.
Très bpn t-shirt de bain anti-UV

Bonne coupe, léger, très agréable à porter.

bernard t.

Très agréable à porter.Efficace contre le soleil même à R.Garrros où pendant quatre heures je suis resté sous le soleil.Jolie couleur.

About Ker Sun

Ker Sun is above all a personal story. About ten years ago, Claudia, our co-founder, was diagnosed with Lupus, an autoimmune disease that forces her to be extremely careful with her sun protection. That day, she felt like she was losing some of her freedom. Like many, she no longer felt safe going outside.

In 2019, to make wearable sun protection accessible, we launched Ker Sun. Ker Sun's mission is to protect every person from sun damage. We want to give back to those with the most sensitive skin, the freedom to enjoy outdoor activities safely. We also actively participate in the prevention of UV-related diseases.

Today Ker Sun is the first French online store specialized in sun protective clothing and accessories. We distribute different brands and quality products to guarantee you an optimal sun protection.

At Ker Sun, your safety is our priority! All selected sun protective clothing is UPF50+ certified regardless of the color of the fabric. Take clothes that you will enjoy wearing, we take care of your skin.