- ALTRA. AL0A5471232. MENS PARADIGM 6. GRAY WITH LIME. The first Altra shoe inspired by and developed with an Altra athlete. Meet the Paradigm 6, a shoe that is blurring the line between support shoe and everyday trainer. Altra Elite Athlete and two-time Olympian Kara Goucher"s input helped us take this shoe to the next level, adding an Altra EGO MAX midsole and slimming down the overall design while maintaining its key support features.