The Under Armour TRIBASE REIGN 4 men's training shoes are made from light, breathable mesh and abrasion resistant material. They feature an external heel reinforcement with a special back for better stability and support. The strategically placed flexible zones and traction in the front ensure better mobility and grip where it is needed. The shoes feature Micro G midsole along the full length for maximum cushioning. The UA Tribase technology in the outsole maximizes contact with the terrain where it is needed the most. The all-rubber outsole wraps around the sides for added durability. The strategically placed rubber structure under the toe provides better grip.