The best replacement for sweaters is sweatshirts.

The best alternatives to sweaters are rated as following:
★★★★★  sweatshirts
★★★  shrugs
★★★  vests
★★  hoodies
★★  jerseys
★★  jumpers
★★  jackets
★★  shirts
★★  coats
★★  cardigans
★  sweatshirt
★  fold sweaters
  dog sweaters
  tunics

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

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



Google Trends

Scale is based on the average worldwide traffic of sweaters in all years. Click on graph for more.
sweaters
sweatshirts
shrugs