Under Armour Micro G Toxic Six Running Shoes Moulded MPZ Panels - Create structure for protection, support, and a lockdown fit. A great modular protection zone desgined to help protect the foot from abrasion. Neoprene Upper - Is light, tough, and allows the foot to move naturally. Asymmetrical Lacing System - Reduces pressure and abrasion on the top of your foot for a more comfortable run. Full-Length Micro G Foam - Turns cushioned landings into explosive take-offs. Low Heel and Forefoot Midsole - Encourages the foot to strike on the midfoot/forefoot, to work with natural efficiency