The best replacement for mattress pad is mattress topper.

The best alternatives to mattress pad are rated as following:
★★★★★  mattress topper
★★★★  featherbed
★★★  mattress protector
★★★  electric blanket
★★★  mattress cover
★★★  topper
★★★  new mattress
★★★  protector
★★  cover
★★  egg crate
★  heated blanket
★  blanket
★  sheet protector
★  pillow top
  feather bed
  fiber bed
  crib pad

Your alternative for mattress pad is not listed? Suggest!
Speaking about mattress pad, one probably shouldn't forget about tempurpedic.

Other search terms related to mattress pad and their ratings are:
★★★★★ tempurpedic
You have in mind a companion for mattress pad and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of mattress pad in all years. Click on graph for more.
mattress pad
mattress topper
featherbed