New Balance Men's M890 Neutral Running Shoe 100% Synthetic and mesh Synthetic sole Abzorb Cushioning for exceptional shock absorption Ndurance Rubber Compound in strategic high-wear areas REVlite Midsole provides premium responsiveness and durability at a 30% lighter weight than other foams with comparable performance Flat, soft laces slide through uniquely flat lacing holes, locking them in place and preventing top-of-foot discomfort Welded Seams for a no-sew material application