Under Armour Mens Micro G Sting TR Synthetic-and-mesh Formfitting, Breathable Mesh Upper - Delivers super-lightweight performance. Moulded, Perforated Heel - An integrated foam panel in the heel assists with providing additional support and delivering a locked down fit. Moulded 4D Foam Sockliner - Conforms to your foot for a customised fit. Micro G Foam midsole - Turns cushioned landings into explosive takeoffs. Solid Rubber Traction Outsole - Strategically placed on high wear areas for full ground contact and traction, with less weight.