As one of its daily deals, Amazon offers Prime members the PUMA Women's Vega Ballet SL Walking Shoes in Black, Silver, or Magenta for $29.99 with free shipping. (Non-members can spend $35 or more to qualify for free shipping; otherwise, shipping costs $5.48.) That's the lowest total price we could find by $10. They're available in sizes 5.5 to 11. Deal ends today.