Aspen Times Weekly: Polartec ‘Delta’ Cooling Fabric |

Aspen Times Weekly: Polartec ‘Delta’ Cooling Fabric

by Stephen Regenold

A water-soaked cotton T-shirt has long served runners looking to cheat the heat. Moisture and moving air creates a cooling effect, with wet shirt fabric a stand-in for sweat on naked skin.

But clinging cotton is far from comfortable, and hot-weather exercisers more often default to polyester, nylon and synthetics touted to wick sweat as you bike or run.

As a new option this year, Polartec LLC launched a fabric called Delta. It’s advertised to “cool you down in the hottest conditions” via a tangle of fibers that hold water yet let the fabric breathe.

Polartec is known mostly for its fleece and cold-weather apparel. Delta is the company’s first warm-weather play.

For more on this product, visit Stephen Regenold is the founder and writes about outdoors gear for Gear Junkie.

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