Specification: Color: Black Product weight: 30 lbs Material: 2.5mm neoprene black iron sand Package includes: 1 x 30 lbs weighted vest This 30 lbs weighted vest is good workout equipment for both man and woman.   You can wear it when you climb the mountains  run or do sports. The weighted vest can help you lose weight  burn more calories  increase your power and build muscle. Besides  this weighted vest is made from 2.5mm Neoprene  filled with black iron sand. So you can feel comfortable when you exercise. In addition  it has reflective strip to ensure you safety in your night workout. What�s more  there is an extra storage pocket in the back of the weighted vest  and you can store some small items in it. And the thickened and widened shoulder straps can evenly distribute the pressure on the shoulders  making your exercise more comfortable.   Have it  you will have the perfect body and strong physique.    Soft  comfortable and breathable materials provide a comfortable experience Black iron sand on the inside can enhance the effect of exercise. Two adjustable buckles can be adjusted according to the user's body shape Reflective strips keep users safe at night Fine workmanship and tight stitching ensure no sand leakage Thicker and wider shoulder straps distribute stress evenly across the shoulders Back pocket can be used to store small items like cards  keys and cell phones Helps you increase exercise  burn more calories  and build muscle Can be used while running  climbing  exercising or even walking Ideal for all sports enthusiasts