Item No:WV05 40LB Adjustable Weighted vest 1)Weight:40LB. 2)Color:Black,Blue 3)Material:high quality durable nylon. 40LB Adjustable Weighted vestItem No:WV05 Material:high quality durable nylon,oxford fabricWeight:40LB.Insert:iron lumpThe vest adds extra pounds for additional weight resistance when you're performing chin-ups and other exercises in which you want added body weight for better ...