We put together a great combination - an extreme weight vest combination - the V-Max 50 lb. short vest and V-Max 25 lb. attachment, together you get a V-Max 75 lb. short vest! Great for heavy body-weight workouts! You can remove the 25 lb. attachment and use the 50 lb. vest alone. You can take all the weights out so you can start light and work your way up. Because they are built with pride in the USA we give you our Limited lifetime warranty on workmanship and materials against defects. No other weight vest gives you this much value.