Under Armour Base 2.0 Leggings - Women's: Total versatility, total performance through high exertion activity in cold conditions. Mid-weight ColdGear grid fabric construction provides exceptional temperature control and moisture transport via heat-trapping interlocking channels. Ergonomically placed flatlock stitching enhances mobility and functionality in a fitted design that integrates with your outer layer. ArmourBlock treatment stops odor causing microbes for maximum scent suppression. Recommended for temperatures below 55. 93 percent 4.5 oz PolyArmour / 7 percent Elastane.