Under Armour Women's UA Micro G Toxic Six Running Shoes Synthetic Lightweight molded neoprene upper allows foot to move naturally MPZ&reg; panels deliver superior protection with a solid, locked down fit Offset laces reduce pressure and pain on top of foot Perfed heel and toe detail for enhanced breathability Micro G&reg; midsole in heel and forefoot allows you to feel the road while still providing cushion, grip and speed