Ricosta's girls zip-fastening usky winter boot is manufactured using high quality leathers (upper and lining) that are ecologically and environmentally friendly, free from hazardous preservatives and are chrome vi free. Removable warm lined washable insole. The pu sole is injected directly to the upper ensuring a permanent join. The pu sole consists of 50 percent air making the shoe especially light, flexible and shock-absorbing. "usky" is a fashionable design, featuring faux fur trim, lambswool lining, warm lined removeable insole (washable) and "out dry" waterproof membrane that is also breathable. Ricosta children's shoes are developed with the aid of paediatricians and orthopaedists providing peace of mind for parent and child. Suitable for use with orthotics.