ROA Katharina Shoes - Forest GreenROAs signature creation, the Katharina Light combines time honoured approach shoe spec with a runner's versatility. Reassuringly stout, the upper consists of high quality, incredibly durable CORDURA nylon, bolstered by a reinforced rubber toe cap, sidewall and heel panels, offering supreme protection on rocky terrain. Underfoot, Vibram Megagrip provides exceptional traction in varied conditions. Technical CORDURA nylon upper 80% polyamide 15% rubber