We put together an awesome combination - the most extreme weight vest combination available - the V-Max 75 lb. long vest and V-Max 25 lb. attachment, together you get a V-Max 100 lb. monster vest! Fantastic for heavy body-weight workouts! You can remove the 25 lb. attachment and use the 75 lb. vest alone. You can take all the weights out so you can start light and work your way up. We build them right, that's why we give you our Limited lifetime warranty on workmanship and materials against defects. No other weight vest gives you this much value.