PowerWave PowerWave Super (15.4lbs - 7kg) is the ideal weight for ladies wishing to get in the best shape of their lives, with a leaner toner body when doing the Wave20 workout. PowerWave 2.0 Spartan (26.4lbs - 12kg) is the ideal weight for men wishing to get in the best shape of their lives, with a leaner toner body when doing the Wave20 workout. Ladies can use this weight when doing the Beast workout if their goal is for gaining bigger size and maximum strength. PowerWave Beast (44lbs - 20kg) is the ideal weight for men wishing to gain serious size and strength with the Beast workout. Commercial 1 : https://www.youtube.com/watch?v=eB1ofpL1mmg Commercial 2 : https://www.youtube.com/watch?v=OmYuPm75tPw