Penn Women's Stretch Straight Pant 88% Polyester/12% Spandex Imported Pull On closure Machine wash PERFORMANCE JERSEY: Performance material wicks away moisture and keeps you cool. Added spandex for movement all means you can stay dry and comfortable during high endurance workouts. FLAT SEAMS: Decreases friction and irritation caused by chafing.Spandex leggings can help increase circulation, support muscles and reduce muscle soreness caused by fatigue from exercise. DURABLE AND STRETCHY FABRIC: Allows for full range of motion and flexibility. STREAMLINE DESIGN: Enhances natural leg shape and has a slimming effect. BANDED WAIST: Stays put when moving and bending during yoga or tennis workouts. These leggings also just keep you comfortable and casual any day of the week.