There's nothing like maintaining high-quality leather. I bought my Occidental tool bag setup last year and I expect these to last for a big portion of my career as an electrician :
Brase LEATHER tool bag belt NAIL pouch Electrician Carpenter builder DIY GIFT | eBay
Occidental Leather Tool Bags - YouTube
Factory Tour: How Occidental Leather Makes "The Best Tool Belts Money Can Buy" | Occidental leather, Best tool belt, Leather tool belt
Occidental Leather B5612 Green Building Tool Bag - In Black | Bags4Tools.com
Occidental Leather Seven Bag Pro Framer Tool Belt, Large - 5089L
Occidental Leather — TF Tools Ltd
Leather Tool Belt | Carpenter Tool Pouch | Framers Tool Belt | Handyman Belt | eBay