Imported Synthetic sole Machine Washable – Machine wash COLD; Remove insole and AIR dry (NO dryer use). Ultra lightweight – Provides exceptional comfort and functionality for kids. Deodorizing Insole – Infused with natural Green Tea extract (no chemicals). 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.