Under Armour Micro G Monza Running Shoes Micro G Cushioning - Located in the heel rebounds your impact into forward momentum. Integrated Midfoot Structure - With a heel lockdown, built for support that doesnt add weight. Moulded 4D Foam Footbed - Conforms to your foot's exact shape, eliminating slippage. High Abrasion EVA - On the outsole keeps constant contact for a smooth ride and transition. Light, High-Abrasion Foam - On the outsole covers zones that get less tread for full ground contact.