Under Armour Charged Reactor Run Mens Running Shoes The mens Under Armour Charged Reactor Run Mens Running Shoes have been designed for winter time runs, crafted with Cold Gear Reactor intelligent insulation that provides more warmth when you slow down and gets cooler as you speed up to keep your feet at the optimum temperature. A moulded outsole with a rubber overlay provides fantastic traction and the lace fastening provides a secure fit. > Mens running shoes > Bootie construction > Cold Gear Reactor Intelligent insulation > Charged cushioning midsole > Micro G heel unit > High abrasion and blown rubber outsole > Embroidered detail > Lace fastening > Under Armour branding > Upper: Textile / synthetic > Inner: Textile > Sole: Synthetic