The best replacement for slippers is flip flops.

The best alternatives to slippers are rated as following:
★★★★★  flip flops
★★★★★  sandals
★★★★  house shoes
★★★  shoes
★★★  slipper
★★  mademoiselle
★★  socks
★  loafers
★  moccasins
★  ugg
★  ballet shoes
  slipper socks
  ll bean
  stompeez
  stompez

Your alternative for slippers is not listed? Suggest!
Speaking about slippers, one probably shouldn't forget about soles.

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



Google Trends

Scale is based on the average worldwide traffic of slippers in all years. Click on graph for more.
slippers
flip flops
sandals