The Under Armour Women's UA Seamless Run Long Sleeve Shirt uses levels of mesh mapped to your body to provide ventilation where you need it. This fabric wicks sweat, dries really fast, features a nearly sew-free construction to eliminate chafing and a 4-way stretch material so it moves better in every direction. The Under Armour Women's UA Seamless Run Long Sleeve Shirt is likely the most comfortable thing you'll ever train in.

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