Dash RN Women's Running Shoes The Under Armour Dash RN running shoes feature a lightweight construction and a breathable mesh upper to deliver miles and miles of incredible ventilation a nd comfort. 4D-Foam® sockliner Breathable mesh upper Structured overlays for added support Breathable mesh upper with structured overlays for a supportive, locke d down fit Padded tongue and collar Full-length EVA for maximum comfort 4D-Foam® sockliner Solid rubber