SAGUARO barefoot shoes have a minimalist style that gives you a different visual experience. The wide toe box has enough space for your toe to relax. The flexible zero drop sole can keep your feet balanced on the ground. Removing the insole enhance your barefoot feeling, you can feel everything under your feet without being bruised. Tagged as size 38. SHOE SPECS: -Wide toe box -Zero drop sole -Removable insole -Non slip sole Flexible & comfortable barefoot feeling Super lightweight & breathable, comfortable to wear all day, with/without sock or insole. Easily hand-washed, comfortable to work and run in on multiple surfaces. These barefoot shoes work very well on sand and in aquatic environments. Sole material: Rubber, Outer material: Synthetic