Key features of Ariat kids' boots, including the Lonestar style: NWT size youth size 4M 4LR™ technology: Provides lightweight support for walking and riding. Removable Wiggle Room™ insole: Offers up to a half size of extra room to accommodate growing feet. Durable construction: made with premium full-grain leather and Duratread™ soles. Western styling: Mimics adult Western boots with features like wide square toes, roper heels, and decorative stitching.