94% polyester/ 6% elastane. (Heather colours 79% polyester/ 15% viscose/ 6% elastane). Extremely comfortable fabric. Elasticated waistband with two-tone drawstring with plastic tips. 2 front pockets with jersey lining in 65% polyester/ 35% viscose and 1 zipped pocket at the back with taped seams. Fashionable slim fit with knee patches. Leg ends with contrasting part elastic tape. Black on all colours and Dark Grey on Ash Heather.