![](http://www.thrudark.fr/cdn/shop/files/Lighweight_c5579e19-9343-4f95-bfab-dee7078406d8.png?crop=center&height=60&v=1697804415&width=60)
Lightweight
![](http://www.thrudark.fr/cdn/shop/files/Quick-Dry.png?crop=center&height=60&v=1697804343&width=60)
Quick Dry
![](http://www.thrudark.fr/cdn/shop/files/Breath_478f94fa-e8d6-417a-8e7a-a626eb91c3fb.png?crop=center&height=60&v=1697804444&width=60)
Breathable
ORYON DELTA T-SHIRT
Regular price €107,95 EUR Sale price €86,95 EUR
A highly breathable, half-zip, active t-shirt constructed from innovative Polartec® Delta™ cooling fabric. Suitable as a versatile layer for activity in intense heat. This breathable, half-zip t-shirt is the perfect...
![](http://www.thrudark.fr/cdn/shop/files/Lighweight_c5579e19-9343-4f95-bfab-dee7078406d8.png?crop=center&height=60&v=1697804415&width=60)
Lightweight
![](http://www.thrudark.fr/cdn/shop/files/Quick-Dry.png?crop=center&height=60&v=1697804343&width=60)
Quick Dry
![](http://www.thrudark.fr/cdn/shop/files/Breath_478f94fa-e8d6-417a-8e7a-a626eb91c3fb.png?crop=center&height=60&v=1697804444&width=60)
Breathable
Cooling Fabric
Polartec® Delta™
When hot, dry air passes through water it cools down - this is the basic premise behind Polartec’s state-of-the-art “Delta” cooling fabric.
Hailed as “the ultimate hot weather adventure fabric”, Delta weaves both hydrophobic and hydrophilic fibres in a radiating pattern to form a 3D structure. This radiating pattern creates channels through which the hydrophobic fibres draw perspiration away from the body, the hydrophilic fibres then distribute this moisture across the fabric surface and hold on to it.
As a result, Delta holds moisture next to the skin without the uncomfortable experience of feeling wet. Hot air then flows through this moisture held on the fabric and cools, thus enhancing your body’s natural evaporative cooling process. Polartec call this “metabolic cooling”.
Size guide
Chest
Measure at the fullest part of the chest from just under the arms.
waist
Measure around where your trouser waistband, or your belt, would normally sit.
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