NATURAL MOVEMENT. The Nike Yoga Pants let you move freely through each pose in lightweight, high-stretch fabric. Mesh at the back of the knees and calves helps you stay cool on the mat. This product is made with at least 75% recycled polyester fibers. Benefits Woven fabric feels smooth, lightweight and stretchy as you move on the mat. Nike Dri-FIT technology helps you stay dry, comfortable and focused. Mesh behind the knees and calves keeps it breathable Hidden zippered pocket holds your phone. Product Details Standard fit for a relaxed, easy feel Elastic waistband and drawcord Pockets Body: 87% polyester/13% spandex. Panels: 92% polyester/8% spandex. Machine wash Imported