Colombian-born designer Haider Ackermann established his eponymous label in 2001. A graduate of the prestigious Royal Academy of Antwerp, Ackermann cut his teeth working for John Galliano before going it alone. Loved for its luxurious materials, impeccable cuts and refined insouciant aesthetic, the label is a favorite of the fashion cognoscenti and style insiders all-over the world. Shop the Haider Ackermann collection of sweatpants to add a luxe touch to your off-duty closet. Think relaxed track and biker style sweat pants made from ultra soft cotton and velvet.