Under Armour Women's Fleece Storm Pants 100% POLYESTER Armour Fleece Construction - Insulative materials retain the wearer's natural heat superbly, whilst also wicking excess moisture away from the skin. UA Storm Technology - Lends the garment a degree of water resistance - effective in light, seasonal showers. Wide, Ribbed Waistband - Delivers a comfortable, secure and adaptive fit. Dual Side Hand Pockets - Offer convenient accommodation for small items such as keys, coins or media devices. Construction - Polyester.