The Vevor 12 lb weighted vest is designed to add resistance for strength training, running, jogging, hiking, and general fitness workouts. Made from neoprene with iron pellet filler, it offers breathable, sweat-proof comfort and evenly distributed weight for balanced movement. Double adjustable buckles fit bust sizes from 35" to 45" for a secure personalized fit. Reflective stripes improve visibility in low-light conditions, while front and rear storage pockets keep small essentials close at hand.