Vivobarefoot Primus Ludo Hi Winterised Preschool Boots 8SHOP UK Overview Vivobarefoot Primus Ludo Hi Winterised Preschool Boots 8 gives growing feet the space and sensory feedback they need. Vivobarefoot's kids range is built on the same barefoot principles as the adult line wide toe box, zero drop, thin flexible sole but sized and tested for children. Barefoot is best for growing feet, even in winter. The Primus Ludo Hi Winterised is a water resistant sneaker boot made from full Wild Hide leather, for