New Balance Men's M880gg6 100% Rubber Rubber sole Mesh Upper - Provides a breathable environment, keeping the wearer cool and dry. No-sew Material Application - Reduces the overall weight of the shoe without sacrificing support. Asymmetrical Heel Counter - Part of the stability system for lower lateral support at the back of the foot. Ortholite Premium Insole - Provides additional cushioning for arch support and durable comfort. ABZORB - Absorbs shock and displaces energy, softening impact, foot-strike after foot-strike.