CELLIANT on X: This Men's UA RUSH™ HeatGear® Compression Long Sleeve by Under Armour is powered by Celliant to help improve performance and speed up recovery. #UARUSH #Celliant #performance @UnderArmour /

HeatGear® is our original performance baselayer—the one you put on first and take off last. So we made it extra comfortable by wicking sweat and

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Fit: Ultra-tight, second skin fit.

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