Get your little one off an running in the Classic Old Skool shoe you remember wearing back in the day. And although your newborn may be a few years away from going school its not to early to be Old Skool! Choose from your favorite solid colors or checkerboard classics. Size 1 = newborn - 6 weeks, size 2 = 6-12 weeks, size 3 = 3-6 months, size 4 = 6-9 months.