Where to Buy
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Here's what other sites are saying:
Don't assume the futuristic looks of this X-Bionic Extra Warm Shirt means it's designed to keep astronauts warm as they float from one section of the space station to another. This technically-advanced long-sleeve top is definitely for cold-temps and high elevation activities, but outer space may be a bit high. Key ventilation regions transfer moisture to permit evaporation while other regions retain warmth to dish out the most performance and comfort possible.
X-Bionic Energizer Shirt - Long-Sleeve
X-Bionic Ski Touring Shirt Long-Sleeves
Ibex Shak Jersey
Rab Interval Long Sleeve Zip Tee
Ibex Hooded Indie
The North Face Reactor Hoodie
$28 - $40
ExOfficio Sol Cool Crew Long Sleeve Shirt
$24 - $38
Under Armour CoolSwitch Trail Long Sleeve Tee