First of all I found that you do not have to spend a fortune on canvas messenger bags for men. Especially if you are looking for something that will hold up to everyday use and last for a long time. Furthermore you can find a practical, quality and affordable one if you take the time and look for the features you like and has great reviews.
Above all figure out what will be toted around in the bag first. Will it need to hold a laptop, folders, a smartphone, binders, and books? Maybe it needs to accommodate a water bottle and some snacks, too. Look for a bag with pockets! Make sure the strap is wide, too. Two inches is ideal because that makes it wide enough to hold lots of stuff for a long time all while keeping the man wearing it comfortable.
Most importantly whichever one you like, also look for bags that are made of durable canvas. Loose woven canvas is ideal because it gives the bag a more casual appeal. Finally as for the features, be sure that there is an adjustable strap so it fits the wearer the way they like. For that reason some men like for it to rest by the thighs and others prefer it to be a little higher.