Polo Ralph Lauren Ladies Bottoms. Fashion category: Pants & Leggings. SKU: 211752934001. Color: Black. Polo Ralph Lauren Bi-Stretch Twill Trouser in Black. This trouser from Polo Ralph Lauren features a zip fly with a hook and bar closure, belt loops, a slim fit, back waist darts, creases run down the front and back of each leg, 2 front agled pockets, right waist coin pocket and 2 rear buttoned welt pockets. Materials: 52% Cotton, 42% Viscose, 6% Elastane.