THERMAL FLEX LONG SLEEVE (WOMEN&
THERMAL FLEX LONG SLEEVE (WOMEN&
THERMAL FLEX LONG SLEEVE (WOMEN&
THERMAL FLEX LONG SLEEVE (WOMEN&

THERMAL FLEX LONG SLEEVE (WOMEN'S)

4.5
Rated 4.5 out of 5 stars
4 Reviews
Regular price$149.99
/
Color
Size
Free
Shipping
$150+
Australia Made
Money Back Guarantee

Sharkskin Thermal Flex reinvents swimming and water sports! NEW FOR 2026

Take your water performance to the next level with Sharkskin Thermal Flex, the most advanced UPF50+ long-sleeve top engineered for swimmers, surfers, paddlers, and all watersports enthusiasts.  

Built with cutting-edge Hydrophobic Nanotech Compression fabric and incorporating Titanium Far Infrared (FIR) technology, this top is designed to keep you warm and comfortable without extra bulk and buoyancy and to repel water while minimizing absorption so you can swim faster. 

Whether you are pushing through the toughest swims, surfing or bodysurfing the waves at the beach, or paddling for hours, Thermal-Flex keeps you warmer without restriction so you can perform at your peak and stay comfortable longer in, on and under the water.  

Push Your Limits. Stay Warm. Go Faster. Reinvent Your Watersports Experience with Sharkskin Thermal Flex

We offer free shipping on all orders totaling $200 or more. Your order will be processed and shipped from our Maine warehouse within 3 business days. Depending on your location, you can expect to receive your order within 4-8 business days.

If you need your SHARKSKIN faster than this, please pick expedited shipping. Expedited orders ship same day if received by 2pm Eastern Mon-Fri.

We have a 30-day return policy, which means you have 30 days after your order ships to return your item to us.

To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging.

You can always contact us for any return question at info@sharkskinusa.com.

4.5
Rated 4.5 out of 5 stars
Based on 4 reviews
Total 5 star reviews: 2 Total 4 star reviews: 2 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
100%would recommend this product
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4 reviews
  • EG
    Esther G.
    Verified Buyer
    Rated 5 out of 5 stars
    1 week ago
    This was exactly what I needed and did better than I expected

    Every year my swim team does a 2-mile swim across the Rappahannock River on Memorial Day weekend. The river is temperature is still cold so most of my teammates will wear a wet suit. I hate wet suits, refuse to wear one which makes my husband complain nonstop about swimming in the cold temperatures. He carried on so bad last year that I didn't do the swim, I only had a swim shirt (which I would have been okay because others did the same thing and made it across). This year the conditions looked like it would be the same. I saw the sharkskin advertisement on FB and thought this might work! I told my husband that I order a "special wet suit" that had special technology which would not bother me like a traditional wet suit. When received it, I saw that it was still pretty thin but thicker than a swim shirt so I had some doubts that it would actually work. I kept telling my husband it was "a special wet suit". The day of the swim it was cold and cloudy. It had also rained for several days. I thought for sure it would be a cold swim but after doing a couple of strokes I felt the warmth in arms and my upper thighs (where the material was hitting my skin directly). I was shocked on how well it worked. My next purchase will be full length pants. This a great product and well worth the price.

  • AY
    Anna Y.
    Verified Buyer
    Rated 5 out of 5 stars
    1 week ago
    Warm & comfy

    Bought this for my winter diving trip in Indonesia to try out. I layered it up with a 5mm wetsuit. It's kept me warm the whole time underwater.

    It's quite a tight fit on the body but I guess that's the whole point of it. Feels much tighter than the normal rashies. But the arms are kept relatively loose and flexible, not affecting my movement at all.

    Very happy with it.

    Activity Diving
  • AH
    Adrienne H.
    Verified Buyer
    Rated 4 out of 5 stars
    1 week ago
    Second Skin

    I love the warmth in my chest and on my arms. It feels like I’m wearing a second skin.

    Unfortunately I get a friction rash on the left side of my neck. I’m now using body glide which has stopped the friction.

    Activity Swimming
  • LD
    LORRAINE D.
    Verified Buyer
    Rated 4 out of 5 stars
    1 week ago
    Thermal top for winter swimming.

    Problem of cold breeze on body, now gone. Wonderful garment, kept me warm. So comfortable.

    Activity Swimming


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