• Vibram designed & engineered technical running midsole
• High traction rubber outsole with internal shank for mid-foot support
• Breathable spacer mesh underlays and full grain leather / suede overlays
• Technical TPU heel brace for added support and protection
• Runs half size small size up .5 for true fit
• Outsole 100% Rubber Upper Sole 58% Leather 38% Mesh, 4% Synthetic
• Run small, recommending a half size up 

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