Under Armour Micro G Connect Running Shoes Mesh Durable Mesh Upper - Allows superior breathability so your feet stay cooler as your run heats up. Full-length Micro G Foam Cushions - Low, lightweight and bulkier foam, it rebounds your heel-strike energy, creating forward momentum providing a better toe-off. Foot-Forming 4D Foam Footbed - Moulds to foot for a locked in, comfortable, customized fit. Carbon and blown rubber outsole - Tough and lightweight, also provides superior traction without adding excess weight. Moulded Midfoot Panel - Offer the ultimate lightweight support while still keeping your feet cool, comfortable, and ready to run.