Whether you're going to work-out or just going to work, who says you have to be uncomfortable? Stella McCartney disguises a pair of easy, loose-fitting track pants as classic black tailored trousers. You can thank her later. Featuring an elasticated waistband, side pockets, a relaxed shape and elasticated cuffs. POSITIVELY CONSCIOUS: We’ve joined forces with ethical agency Good On You to give you the power to choose positively. This piece is from a brand that scores well on their key criteria.