ColdGear® Reactor adapts to your activity level for the right breathability & warmth for what you're doing. Fabric has soft, brushed "nodes" next-to-skin for the right warmth that breathes as you move. 4-way stretch construction moves better in every direction. Material wicks sweat & dries really fast. Anti-odor technology prevents the growth of odor-causing microbes. Engineered elastic waistband with ARMOUR wordmark. Inseam: 28".