Sandbags are popular in functional fitness because their shifting weight provides dynamic resistance that traditional weights like dumbbells cannot match.
: Ensure the bag has a secure closure system, such as YKK zippers combined with heavy-duty Velcro straps and internal filler bags to prevent sand spills.
: High-quality bags often feature multiple handles (some up to 9) to allow for deadlifts, cleans, and overhead presses.