<p>The textured leather upper of the Nunn Bush Otto Moc Toe Slip On gives it a visual depth that is further enhanced by its contrasting sole and colored welt. Adding comfort to its versatile style, it also features breathable mesh linings and our signature Flex Technology for unparalleled comfort.</p> <p><br>Leather sourced from a tannery with a Gold or Silver rating for environmental responsibility by the independent auditing group, the Leather Working Group.</p>