Heat
Does Polyester Make You Sweat More?
Polyester makes you overheat, and your body answers heat with sweat. Why plastic traps heat against your skin, and how jade minerals let it go.
Read the article →Most cooling shirts are polyester, and polyester is plastic: it holds heat against you. HyperNatural cooling shirts are Supima® cotton with Hyper-Cool Jade® and Hyper-Chitin in the fiber. 5° cooler with Hyper-Cool Jade®, 20× more breathable than polyester, 0% polyester.

Better by nature.
5° cooler
Jade minerals in the fiber conduct heat away from your skin
Holds heat
Plastic fibers trap heat against you
20× more breathable
Air moves through the fiber and the knit
Vents only through the knit
The fiber itself is plastic
Stays fresh
Hyper-Chitin: a 99%+ reduction in odor-causing bacteria
Smells after one wear
Absorbs the oily compounds in sweat and holds them
Supima® cotton
Extra-long-staple American cotton, soft and strong
Sheds plastic
Microfibers come off in the wash and in wear
OEKO-TEX® Standard 100
Finished fabric tested for harmful substances
Usually uncertified
Whatever finish the mill applied
Supima® cotton with Hyper-Cool Jade® and Hyper-Chitin in the fiber. 5° cooler with Hyper-Cool Jade®, 20× more breathable than polyester.
A cooling shirt moves heat and moisture away from your skin. Most cooling shirts are polyester, and polyester is plastic: it holds heat against you. HyperNatural shirts cool with the fiber itself. Jade minerals in Hyper-Cool Jade® conduct heat away from your skin, so they are 5° cooler with Hyper-Cool Jade®, and the Supima® cotton knit is 20× more breathable than polyester.
No. The jade minerals are in the fiber, not sprayed on, so every shirt stays cool wash after wash.
Ours do. Polyester absorbs the oily compounds in sweat and holds them. Every HyperNatural shirt carries Hyper-Chitin, a natural antimicrobial from crab shells, in the fiber. It delivers a 99%+ reduction in odor-causing bacteria and does not wash out.
Yes. The El Capitán is our golf polo in Supima® micro-pique, and the Pinehurst is a featherweight jersey polo for the hottest rounds. See all our polyester-free golf shirts.
For workouts and every day, the Topanga cooling t-shirt, a featherweight Supima® jersey crewneck. For golf, the El Capitán golf polo. For the hottest days, the Pinehurst Classic Fit Jersey Polo. For a closer cut, the Dagger and Biscayne slim fit micro-pique polos. Every one carries Hyper-Cool Jade® and Hyper-Chitin.
HyperNatural fabrics are OEKO-TEX® Standard 100 certified and bluesign® approved. The Creora® Regen spandex is recycled and certified to the Global Recycled Standard.
A Clean Alternative to Synthetic Performance
Heat
Polyester makes you overheat, and your body answers heat with sweat. Why plastic traps heat against your skin, and how jade minerals let it go.
Read the article →Heat
So can active performance come from nature instead of plastic? Instead of petroleum-based performance fabrics, HyperNatural is built with bio-based materials including cooling jade minerals, naturally derived...
Read the article →Workouts
„Menschlicher Schweiß ist eine komplexe Mischung, die ölige Komponenten, bekannt als Talg, enthält. Diese erleichtern das Auslaugen von giftigen Chemikalien aus Mikroplastik, wodurch diese für die...
Read the article →Odor
Polyester hoards the oily compounds in sweat, then grows the bacteria that turn them into odor. The research, and why the smell survives the wash.
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