Scientific weight distribution for balanced weight distribution.
U-shaped design for comfort and breathability, with sweat-wicking properties.
Double protection with sealed sandbags for durability and leak-proof design.
Materials: Nylon fabric (abrasion-resistant and easy to clean), synthetic SBR (sealed to prevent sand leakage), selected iron sand (soft and comfortable).
Anti-slip rubber pads on shoulders, back, and bottom for stability and comfort.
Double buckle design for easy wearing and ergonomic adjustment.
Half-body design for a comfortable fit during various exercises.
Adjustable straps for a customized fit and added comfort.