Made from Sustainable Materials Upper is composed of around 61.1 % recycled resources and 3.75Plastic bottles diverted from landfills Product Features High-tech running sneakers built to put in miles Newly engineered warp knit upper for flexible fit and supreme softness Guide Rails® enhance stability and offer a locked-in fit Midsole cushioning adapts to your stride Addtional 2mm DNA LOFT v3 cushioning provides even more comfort with every step Flexible traction outsole for reliable grip across all surfaces The Brooks Glycerin GTS 21 is imported. Relish your running experience in these Women's Brooks Glycerin GTS 21 Running Shoes. This iteration of the GTS goes the extra mile with a modernized warp knit upper, an additional 2mm of nitrogen-infused DNA LOFT v3 cushioning, and Guide Rails® tech to stabilize your steps as you pursue the perfect you.