The best replacement for beret is navy seal.

The best alternatives to beret are rated as following:
★★★★★  navy seal
★★★★  ranger
★★★  delta force
★★★  spetsnaz
★★★  army ranger
★★★  beanie
★★  biretta
★  patrol cap
★  tam
★  garrison cap
★  spetsnaz deadliest warrior
★  force recon
★  bowler
  rangers
  marine recon
  seal
  special forces
  navy seals
  greenback
  spetnatz
  black beret
  green beret

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

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



Google Trends

Scale is based on the average worldwide traffic of beret in all years. Click on graph for more.
beret
navy seal
ranger