Calvin Klein Efficiency develops active clothes for women that can be worn to the fitness center or for casual everyday wear. A special focus for Calvin Klein Efficiency is recording fun, fashion trends and utilizing easy-to-care materials to keep you looking stylish and comfortable for your workouts and all your casual activities. Calvin Klein Efficiency makes something for each lady, no matter what your size or lifestyle demands.
Synthetic fabric wicks away moisture to dry quickly
Stylish shirring detail on the sides of leg opening and the sides of the waistband
Hidden runner's pocket to store key or card
Gusset detail for added strength