Ping 4 series stand bag 2017the 4 series bag enjoys enduring popularity for its super lightweight comfort easy adjusting shoulder pads that keep a golfer balanced and strategically arranged pockets that provide ample room for items big and small shoulder pads are integrated with sensorcool technology and a deployable rain hood is attached inside the cushioned hip padfeatures4 way top designed to keep clubs from bunchingapproximately 45 lbseasy adjusting shoulder pads with sensorcool techn