Under Armour Women's Windstopper Run Jacket Lightweight WINDSTOPPER fabrication delivers total windproofness with maximum breathability Soft and super-warm ColdGear side panels combine a smooth, fast-drying exterior with a brushed, heat-trapping interior Full zip front with low-profile collar for a sleek, modern fit Princess seams create a slimmer, more streamlined silhouette Zippered arm vents dump excess heat