Saucony Endorphin Speed 4 - Men's Shoes : Cloud : The primary materials that compose this product contain a minimum of 20 percent organic content. The 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.