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Updated alpha sizing!
New super-soft stretch fabric delivers excellent all-day comfort for any activity
Laser cut edges offer a hem-construction for a smoother, more flattering silhouette
4-way stretch construction moves better in every direction
Under Armour’s mission is to make all athletes better through passion, design and the relentless pursuit of innovation
Updated alpha sizing!.Under Armour’s mission is to make all athletes better through passion, design and the relentless pursuit of innovation.Where we started? It all started with an idea to build a superior T-shirt.The technology behind Under Armour's diverse product assortment for men, women and youth is complex, but the program for reaping the benefits is simple: wear HeatGear when it's hot, ColdGear when it's cold, and AllSeasonGear between the extremes.