Burberry Ladies Bottoms. Fashion category - Pants & Leggings. SKU - 8003036. Color - Black. Burberry Ladies Black Potbury Wool Blend Straight Leg Trousers. Featuring a zip fly with hidden hook-and-bar and button closure, a straight leg, wool blend construction, 4-pocket construction and front pleat. Material - Main - 80% wool, 20% silk. Lining - 65% polyester, 35% cotton.