Under Armour Proto Speed Lite Trainer Cushion Running Shoe Mens Midsole Material: DCE (Directional Cushioning Engineering)--An integrated cushioning, stabilization and propulsion system that strengthens the directional movements and physical skills that you need. Outsole: Non-Marking Rubber--A non-marking rubber outsole delivers exceptional traction and durability. Cushioning Technology: Armour Bound--Proprietary UA material reduces foot-strike compression found in typical materials and provides superior rebound. Heel Technology: Armour Guide--Directional cradle guides foot through athletic movements, providing stability, efficiency and total population. Model Number: 1213544-003