Klogs Navigator Leather Shoes casual lace-up features a leather upper with hand sewn moc-toc for a comfortable fit. All that's under foot is our polyether polyurethane; no insole board equals greater WOW Komfort. Full grain upper leather, offers exceptional quality and long wear; Polyurethane and rubber outsoles are slip resistant, non-marking and shock absorbing for an all day WOW Komfort experience! 1 1/4 inch heel.