A sandbag doesn't behave like a normal weight, and that's exactly why people use them. As the sand shifts mid-lift, your core, grip and stabiliser muscles have to fight for control on every rep, which is something a fixed dumbbell or barbell simply can't replicate. FORZA sandbags are built with a heavy-duty outer shell and reinforced stitching at every seam, so they stand up to repeated drops and drags without splitting. Multiple carry handles mean you can shoulder the bag, bear hug it, run a Zercher carry, or press it overhead, all using the same piece of equipment. Strongman athletes rely on them for carries, throws and loading drills, HYROX competitors use them for lunges and farmer-style carries, and CrossFitters treat them as a grip-punishing alternative to dumbbells.