Nike's Space Hippie 04 Returns in "Iron Grey"

When describing shoes from its sustainable Space Hippie line, Nike likes to say that they're "trash." This is, of course, in a literal sense instead of a figurative one: the Space Hippie 01, Space Hippie 02, Space Hippie 03 and Space Hippie 04 are constructed almost entirely of recycled, repurposed materials. Now, the latest pair to emerge from the Swoosh's proverbial trash heap is the Space Hippie 04 in "Iron Grey." Though each silhouette in the four-shoe Space Hippie line is distinct in its ow...