Celebrate Timeless Style When it comes to sportswear, no one can compete with Calvin Klein. Perfect for women with an active lifestyle, the Calvin Klein Performance Collection has it all: high-tech fabrics, a fantastic blend of fit and functionality, and designs that make ease of movement a top priority. From the heather-grey cuffed shorts to the shiny puffer jacket, this selection will keep you comfortable, confident, and performing at the top of your game.