The ST329 sneaker was the original tennis training shoe developed by K-Swiss, and has since become a cult-classic. Designed and built to last, this staple sneaker showcases a durable rubber outsole, sturdy tread, and maximum comfort with a K-EVA cushioned midsole and full length premium memory footbed. - Leather Upper - Textile Collar Lining - Draggaurd Rubber & Aosta Rubber Outsole - Molded EVA Midsole - Memory Foam Sock Liner - Lace Closure