Machine Washable - Machine wash COLD; Remove insole and AIR dry (NO dryer use). Ultra lightweight - Provides exceptional comfort and functionality for kids. Antibacterial Insole - Infused with natural Green Tea extract (no chemicals) to kill odor causing germs. Pedorthist Friendly - With its removable insole, long counters, and child-specific patterns, Tsukihoshi has become a favorite for Pedorthists looking to make modifications to accommodate customized orthotics and/or AFO's. Barefoot Comfort - Wide toe boxes allow natural splaying of toes for balanced landing and maximum comfort. Heel Stabilizer - Long heel counter provides optimum stability. Easy On & Off - Single strap 'hook and loop' closure and elastic faux-laces for superb fitting. Arch Support - Shoe last and insole designed to provide proper arch support for growing kids. Latex Free. Synthetic/Textile upper. Breathable textile lining and cushioned foot-bed for active comfort. EVA/TPR outsole - Ultra-lightweight, provides excellent flexibility, abrasive-resistance, shock absorption, stability and slip-resistance for safety and comfort. Non-marking outsole.