Vivobarefoot Gobi Bar Kids Obsidian Size:34eu like an updated heel shape like an updated heel shape membrane free design keeps you comfortable while delivering reliable wet weather protection 150g (size dependent) Heel to Toe Drop 0mm Stack Height 2mm base + 2mm tread depth Midsole No traditional midsole for maximum flexibility and natural movement Outsole Kids Urban Play outsole with 2mm base and 2mm lugs for grip flexibility and natural movement across playgrounds and everyday surfaces Upper 100% Wild Hide leather upper Lining 100% Wild Hide leather lining Insole Leather footbed made from 100% Wild Hide leather and 100% organic cotton Closure Velcro fastening made from 100% nylon for easy on off Materials Natural Wild Hide leather upper and lining with organic cotton footbed and rubber outsole Best Use School