The Shadow 5000. The modern classic returns with a premium update of its sporty past. Originally released in 1989 as a performance runner, the shoe represents a period of genuine innovation in running technology where athletics met aesthetics. Now, 30 years later, the Shadow 5000 has transcended its sporting roots and evolved into a modern classic. Shock absorbing EVA midsole to bring the comfort of the shoes to a next level. XT-600 triangular lug rubber gives the shoes a higher grip.