KewlShirt™ Evaporative Cooling Tank Top - Hyperkewl™ Plus

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The KewlShirt™ is designed to be worn against the skin to maximise its cooling power, with ventilation vents built into back and front panels. It's a cooling vest for fitness: ideal for exercise and running fanatics.

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Product Description

A traditional tank top styling, made with comfortable Spandex, HyperKewl Plus™ fabric inner and waterproof nylon liner. The KewlShirt™ can be worn as a sports top or under clothing, making it perfect for runners, cyclists or motorcyclists. Acid blue accent striping completes the look.

Our combination of specialized fabrics and fibers creates an advanced water management system that we call HyperKewl™ . Our unique HyperKewl™ fabric absorbs, stores and releases water within the multi-layered structure. Water is “released” through evaporation, energy is consumed, and a chill effect is created. Our HyperKewl™ fabric actually cools the body exactly the same way the body cools itself ... through evaporation. We simply supercharge the natural cooling process.

  • Ultra-lightweight tank top design
  • Body-hugging Spandex base layer
  • HyperKewl Plus™ Fabric inner
  • Water-repellent nylon liner
  • Soak in water to activate
  • 5-10 hours of cooling relief
  • Reusable and durable
  • Colour Silver and Black
  • Machine Washable up to 60˚C
Sizing Guide:
  • XSmall      Chest Measurement 79-84cm (31-33"), Length at Front 19" (at back 21")
  • Small        Chest Measurement 86-91cm (34-36"), Length at Front 20" (at back 22")
  • Medium     Chest Measurement 94-99cm (37-39"), Length at Front 21" (at back 23")
  • Large        Chest Measurement 102-107cm (40-42"), Length at Front 22" (at back 24")
  • XLarge      Chest Measurement 109-114cm (43-45"), Length at Front 23" (at back 25")
  • XXLarge    Chest Measurement 117-122cm (46-48"), Length at Front 24" (at back 26")
  • XXXLarge  Chest Measurement 124-130cm (49-51"), Length at Front 25" (at back 27")
** Note : all sizes are approximate
How it Works:

HyperKewl™ products utilize a unique polymer chemistry to achieve rapid absorption and stable water storage. Our chemical formulation also creates enhanced evaporation and longevity. Users can expect the HyperKewlTM evaporative cooling fabric to provide temperatures that are 15 - 20 degrees (F) cooler than the ambient temperature. The exact temperature difference will depend on humidity, exposure to airflow and other environmental conditions.

Hyperkewl Plus™ is the next generation of our HyperKewl™ fabric technology which is now machine washable at 60˚C

Please note: High humidity (90%+) will diminish the fabric’s ability to evaporate water and therefore will not provide cooling without significant airflow such as
on a motorcycle.

How to Activate:

To activate our HyperKewlTM evaporative cooling products, simply submerge the item in water for 1-2 minutes allowing the HyperKewl™ fabric to absorb the water. Gently squeeze out any excess water, wipe dry and the garment is ready to wear. The garment will remain activated for hours and can be re-hydrated by following these simple steps.

Warranty Information

Warranty covers 120 uses, with 5/10 hours of cooling depending on ambient temperature and airflow

Shopping with Confidence!

We appreciate that you want to shop with confidence online. And so Bad Backs wishes to confirm the importance we place on your privacy, security, our returns policy and customer service support.

Should you choose to shop in-store, visit one of our stores in Melbourne, Sydney or Perth. Click here for our store locations.


Who is Technische ?

TechNiche International started as a small, specialty apparel company with only a few products and a handful of customers. Today, the company has grown to become a technology leader in the exciting field of performance apparel. Its product offering has expanded to include gender specific styles, and the personal cooling and heating technology offerings have grown to meet the needs of its expanding customer base. Its customers now span the globe representing a large, diverse group of people who use apparel to enhance performance. Whether you are a construction worker trying to “beat the heat” down under in Australia, a motorcyclist touring through the California desert or an athlete training for the next Olympic games, its products can help you achieve your goals.


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