Bridging sport and fashion, the Nike Asuna Crater takes a fresh step toward sustainability. Made from at least 20% recycled material by weight, the design features soft Crater foam underfoot and rugged tread pattern that grips sand, sidewalks and trails. The ultra-plush strap is made from a mixture including some recycled materials while the unique lacing system with toggle offers a quick, customized fit that lets you transition effortlessly between worlds.