The insole plays an essential role in the shoe. Feeling comfortable in your shoes is essential. The OXYFOAM sockliner provides natural cushioning and maximum shock absorption. Ten years of research and development have shown that this insole effectively reduces pain in muscles, feet, knees and back. OXYFOAM is compatible with all OXYPAS footwear except SMOOTH. Available in two versions: 36/37/38 and 39/40/41, to cut to the desired size.