The best replacement for thong is underwear.

The best alternatives to thong are rated as following:
★★★★★  underwear
★★★★  v string
★★★★  g string
★★★  boy shorts
★★★  string
★★★  panties
★★  french knickers
★★  brief
★  v-string
★  g string underwear
★  jockstrap
★  flip flop
  cheeky
  bikini

Your alternative for thong is not listed? Suggest!
Speaking about thong, one probably shouldn't forget about tummy control.

Other search terms related to thong and their ratings are:
★★★★★ tummy control
★ wedgie
You have in mind a companion for thong and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of thong in all years. Click on graph for more.
thong
underwear
v string