Walmart offers the Spa Sensations 12" Theratouch Memory Foam Mattress in various sizes from $175, as listed below. Plus, all items qualify for free shipping. That's up to $4 under our mention from last November, the best deal now by at least $71, and the lowest total price we've seen. Each mattress features 3" of Theratouch premium memory foam, 3" of ventilated air-cool foam, and 6" of high-density support foam. The sizes:

• Spa Sensations 12" Theratouch Memory Foam Twin Mattress for $175 ($74 off)
• Spa Sensations 12" Theratouch Memory Foam Full Mattress for $199 (low by $71)
• Spa Sensations 12" Theratouch Memory Foam Queen Mattress for $229 (low by $172)
• Spa Sensations 12" Theratouch Memory Foam King Mattress for $295 (low by $125)
• Spa Sensations 12" Theratouch Memory Foam California King Mattress for $295 ($104 off)