Under Armour Micro G Split Coldgear - The Under Armour Micro G Split running shoe is made for when it's cold. Helps keep runners warm, dry and light. Ideal use: Temperatures under 55 degrees F. Sleek construction is streamlined for miles and miles of lightweight comfort. ColdGear® upper features a double-sided fabric that wicks moisture from the skin and circulates body heat. Exclusive Micro G foam cushioning is light, bouncy and super responsive. It's practically weightless and incredibly low to the ground, which gives you quickness, lethal quickness. Carbon and blown rubber outsole delivers cushioning, traction and durability. Wt. 9.1 oz.