The merrell mens all out blaze aero sport walking shoes is just what you need to get that fastest time youve been aiming for this lightweight shoe features an the energy converting unifly midsole that connects and protects over rough terrain the merrell omni fit lacing system ensures a glove like fit features breathable mesh lining treated with m select fresh to reduce odour merrell omni fit lacing system for a glove like fit bellows tongue keeps out debris added stability m ould