WINDSTOPPER technology offers total windproofness & maximum breathability, keeping you protected from even the harshest winter weather. Center-front waistband UA Speedpocket expands to keep your goods totally secure; it's water-resistant & bounce-free. Lightweight fabric with a unique hex-shaped pattern that traps warmth but breathes as you run. Wide, flat waistband for ultimate comfort. Invisible zip side seam pocket. Free cut cuffs feel super smooth & light . Front Speedpocket fits most phones comfortably, up to 6" x 3”. Inseam: 28.5". 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 All Season Gear between the extremes.