Ultralight synthetic upper shell. Forefoot power strap promotes lockdown. Asymmetrical fit construction for an optimal fit. Lightly padded tongue and collar for optimal comfort. Soft lining promotes a great next-to-skin feel. Removable foam insole. Ultrathin shark skin outsole for reliable grip. Latex heel pad. Pebax Rnew Spike plate delivers rugged traction. Seven-spike configuration. Includes six 6mm spikes and wrench. Imported.