JW Anderson Ladies Bottoms. Fashion category: Pants & Leggings. SKU: TR0318-PG1426. Material: Cotton. Color: Navy. JW Anderson Belted Waist Straight Leg Trousers, Size Medium. Made from stretch-cotton, these pants include a belted waist with belt loops, a straight leg, concealed front fastening, two side inset pockets, and are unlined. Cotton 97%, Elastane 3%