Workout Pants for Women - Also in Plus Sizes - seen on The Biggest Loser 88% POLYESTER / 12% SPANDEX, WAISTBAND: 94% POLYESTER / 6% SPANDEX, LINED MESH GUSSET: 82% POLYESTER / 18% SPANDEX Featured on NBC's The Biggest Loser and Cosmopolitan! Quite seriously, the most comfortable performance pant ever! Fall in love with these ultra comfortable, attention-grabbing pants that have been designed to complement your shape, providing a slimming effect while accentuating your curves. The Katie K Active women's performance workout pant with contoured flat lock seams, no roll waistband and non-chaffing flat lock stitching makes them perfect for any activity. Semi-Compression and performance fabric give this pant its unbelievable fit, flattering your shape. Our Plus Size women's workout pant is made using Katie K Active's exclusive Double Fit-Technology ensuring a flawless fit for the plus woman. With a side pocket big enough to fit a phone, keys and cash, youll be prepared for anything. Our moisture wicking 88% polyester and 12% spandex technical fabric is also UV rated 50+.