Looks like the Nike Air Force 1 Premium won’t be May’s only significant denim sneaker release after all. Check out this new collaboration between Yoske Nishiumi’s Koi Klub and Onitsuka Tiger on these new X-Caliber running shoes. These typically have a very retrofied feel but manage to cross over into more casual territory with faded denim uppers bookended by suede on the toes and heel counters. Click through to see more of the grey/brown and black/pink pairs and let us know if the latter’s crazy rainbow laces are dope enough to make it the pick of this pack. via HS.