Take your workout wear to the top level with help from our Calvin Klein Performance collection, which features all the most stylish and technical workout attire on the market. This range includes workout clothes for men and women, all finished off with the iconic Calvin Klein brand. For women, we have sports bras, leggings, joggers, gym tops, shorts, hoodies and lots more, while men can indulge in t-shirts, joggers, hoodies, sweatshirts and shorts. Show off your style in the gym with Calvin Klein.