Men's New Balance 574 Core - Black - Low-top sneakers An all-time classic updated with environmentally-preferred materials – the New Balance 574 Core is the 'greenest' the 574 has ever been! Originally introduced as trail and road running shoes, these icons step away from the narrow racing silhouettes to bring reliable comfort and stylistic versatility in an unassumingly simple package. This new iteration of the 574 boasts a sustainable design that meets New Balance's green leaf standard. The upper is made of 50% or more recycled content and leather that supports more responsible manufacturing through the leather working group. These 'green' sneakers are finished with a durable outsole material that contains 5% recycled content. Lace-up to inspire with the New Balance 574 Core. New Balance 574 Core New Balance's green leaf standard brings planet-friendly comfort and style. EVA foam midsole provides a rebound cushion and protects the foot from impact with the ground. ENCAP midsole technology delivers cushioning with extra support and durability.