The primary materials that compose this product contain a minimum of 20 percent organic content.SKU: #9921023The primary materials that compose this product contain a minimum of 20 percent recycled content.This product is certified vegan and is constructed with no animal parts for materials or bindings. Unleash boundless energy by styling the Saucony® Endorphin Speed 4, your ticket to fast and light performance. Crafted for thrill-seekers, its lace-up closure ensures a secure fit. Experience unrivaled comfort with textile lining and PWRRUN PB footbed. Dominate every stride with its innovative textile midsole. Textile/synthetic upper.Rubber outsole.Imported.View Zappos.com Glossary of TermsFind something wrong in this description? Help us fix it! Report An Error