(TrendHunter.com) The A$AP Rocky x PUMA Mostro Mule is a laceless reinterpretation of the PUMA Mostro silhouette, redesigned as a slip-on mule with an aggressive spiked rubber upper. The shoe is constructed from a…(TrendHunter.com) The A$AP Rocky x PUMA Mostro Mule is a laceless reinterpretation of the PUMA Mostro silhouette, redesigned as a slip-on mule with an aggressive spiked rubber upper. The shoe is constructed from a…