Wear whatever works best for your area. In some areas Cadpat rules the roost, in others it's Marpat or Multicam. Sometimes, you'll might want to have a selection.
In reality, OD works well almost everywhere (always has, always will). Woodland works well as well. US used it for about 30 years beofr going to the digital patterns. Hunting patterns can work extremely well, but many games restrict the usable patterns to available military camoflage patterns.
ASC Age Verifier for Red Deer & Area Alberta