Reach your personal best with our Calvin Klein Sport collection for men. Tailored through innovative fabrics and blending optimal fit and functionality, our range of men’s activewear is designed to get the best out of your workouts while keeping cool and comfortable. Browse through our selection of duffle bags or check out our range of hoodies and sweatshirts for men. If you're looking for sports clothes that are comfortable and versatile then look no further than our gym t-shirts and shorts that keep you fresh even after the most intense workout. Calvin Klein Sport. For men who like to keep active.