DescriptionAltra Running Womens Rivera 3 Road Running Shoe comes with our slim FootShape fit and moulded heel collar experience a secure feel that emphasizes performance. A slightly higher stack height of 28mm is constructed with Altra EGO midsole foam for a soft yet responsive ride. Help keep your feet cool and happy with a breathable tongue and layered mesh no matter the race-day forecast. It has breathable tongue and layered mesh.