The primary materials that compose this product contain a minimum of 20 percent recycled content. These women's running shoes are built for your run and are ready for all-day wear. The foot-hugging adidas PRIMEKNIT upper is flexible and versatile, with a translucent cage overlay. BOOST gives you energy return for total comfort, and Torsion System between the heel and forefoot makes for a stable ride. Textile and synthetic upper. Textile insole and lining. CAN'T STOP. WON'T STOP: The incredible energy return of adidas BOOST is created by fusing together energy capsules, giving you the power to keep your feet moving. ADIDAS PRIMEKNIT: Foot-hugging upper that wraps the foot with a supportive fit to enhance movement. Women's running shoes for a responsive ride. Regular fit. Lace closure. Round toe. Brand logo at the tongue. FROM PROBLEM TO PERFORMANCE: This product is made with a yarn that features 50% recycled polyester and 50% Parley Ocean Plastic intercepted from remote islands, beaches, coastal communities and shorelines. In total, this product has 20% recycled content. STRETCHWEB WITH CONTINENTAL RUBBER OUTSOLE: Stretchweb outsole flexes naturally for an energized ride, and Continental Rubber gives you superior traction; Officially licensed Continental product. Imported. Measurements: Weight: 10 oz Product measurements were taken using size 8.5, width B - Medium. Please note that measurements may vary by size.