The best replacement for sport coat is blazer.

The best alternatives to sport coat are rated as following:
★★★★★  blazer
★★★  suit coat
★★★  suit jacket
★★  suit
★  sports coat
★  dinner jacket
★  sport coat
★  jacket
  business suit
  suit interview
  tuxedo
  no sport coat

Your alternative for sport coat is not listed? Suggest!
Speaking about sport coat, one probably shouldn't forget about polo.

Other search terms related to sport coat and their ratings are:
★★★★★ polo
★★★ polo shirt
★★ black slacks
★★ t-shirt
★ jeans untucked shirt
untucked shirt
gray pants
You have in mind a companion for sport coat and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of sport coat in all years. Click on graph for more.
sport coat
blazer
suit coat