UA Tribase Reign 2 Shoes UA TriBase™ maximizes ground contact, promotes natural motion & provides flexibility to grip during lifts. Larger external heel counter & collar height for increased stability & heel lock-in. Engineered zonal flex & traction in the forefoot allows for greater mobility & added grip. Full-length Micro G® foam midsole for the ultimate in responsive cushioning. Full-rubber outsole wraps up the sides for durability & added abrasion resistance with medial rope grip. Strategic rubber build under the toe box for a more powerful floor grip Low to the ground construction allows for greater feel & power transfer.