Back when I was a lead, these CLC bags with a substituted nylon belt (wont stain your clothes like leather) made it through many years of the daily rigors of pro use before having enough wear to be annoying but still usable. I tried a few all-leather setups and quickly learned they werent for me.
My current setup is the Occidental combo below. The bags are fixed to the belt and wont shift.
Added a Pocket Hitch for my tape, a power-tool hanger custom made by a local leatherworker, and a 2003 Oxy Tool Shield for my utility knife so it can stay safely deployed or for chiselwork.
If things gets serious, I have a safety belted and bagged Miller Duraflex rig with suspension thats my go-to for climbing or hanging metal. The Klein 5416 bolt bags work great for a no-fuss way of carrying an impact driver. (Not recommending this setup for the OP obviously.)
For light duty, I wear Blaklader trousers that have built-in tool pouches and knee pads. I also have one of their tool vests that I have a love/hate relationship with.
Good bags can be pricey. Heck, the cheap bags are expensive too. They affect your body/health/sanity.
Do I recommend a $500 setup? Yes and no.
If you’re not used to wearing them daily, I dont care what you get, it will be uncomfortable. Their is a reason its called work.
Stay positive and I hope all the best for your shop build!