Under Armour Charge RC2 Running Shoes Full-Length Micro G - Super responsive foam cushioning, to support your stride and turns, cushioning your landing and enhancing your take off. HeatGear - A foot-hugging upper which delivers a super breathable second skin fit. Medial TPU - A bumper which adds extra stability by correcting mild to moderate pronation. MPZ - Protective contact pads, positioned at key points to help absorb impact without sacrificing compression support. Molded 4D Foam - Allowing the footbed to conform to your foot's exact shape, helping to reduce slippage.