The baby version has an ankle strap which keeps the Moccasin on despite their efforts to remove them. The larger version, no strap, is again warm and very comfortable and ideal for running around indoors. Flexible leather soles for complete foot movement and natural muscle development. Uppers Cotton 80%, Polyamide 20%. Machine washable. Baby version in Pink, Blue or Cream (6-12m, 12-18m), Toddlers Red or Navy  (18m)