I just love buying equipment and gear, so forgive my ability to find ways for you to spend your money.
Maximize Your Workouts The Long Ruck Plate Carrier is the most streamlined and efficient way to add weight to your workouts. Now built to hold a 45LB Ruck Plate or 30LB (Long) Ruck Plate to maximize your workouts. With padding on the top of the ruck plate pocket, ergonomic lumbar support and an...
I ruck with this (w/ 30 pound plate)
I also wear it when I do "leg day" (30lb plate + free weights)
Front & back lunges, squats, sumo squats, side-to-side squats, calf raises. All things that suck. I hate "leg day."
I find it helps get my shoulders used to a pack. I barely notice when it's on now but the first few sessions, I noticed. It pulls my shoulders back and helps with posture (while rucking, weight training, and the rest of the day).
I bought this particular pack so I can go up to the 45 lb plate. There is a smaller version.