The inner length next to the European size on the tongue is according to the international length as a standard, not the inner length of the shoe, the inner length of the shoe, please take the size chart as a guide, the size information is the inner length, not the outer length. The following sample shoes tongue picture display as a reference, mind do not buy. Please recognize hobibear store name, other titles hanging hobibear products are fake, we only have two stores!Both of the following are authentic stores. Hobibear Store Store Hobibear Shoe Store Wide Toe: This unisex barefoot shoe continues the HOBIBEAR wide toe design, which avoids squishing your toes. Breathable Comfort : Keeps feet cool with a thin yet protective sole for ground feedback Lightweight Flexible: Breathable mesh upper for a sock-like fit and free movement Rubber Outsole Material :The rubber outsole provides excellent grip and longevity, make these unisex barefoot shoes suitable for a variety of recreational areas. A variety of colors: This wide-toe barefoot shoe adds more colors to give more choices.