The Backmount Diving Vest by SeaSoft is the newest advancement in free diving and available at House of SCUBA! This freediving vest features: SeaSoft Quality One size fits all Distributes the weight over the entire torso instead of the hips making the weight almost unnoticeable Soft weights fit in the back zippered compartment that secures the weight so it cannot shift Perfect fit with adjustable cummerbunds on both sides and fully adjustable shoulder straps Allows the diver to dive in very shallow water in situations requiring quick entry and/or a limited air supply Diving Vest can hold up to 40 lbs. of weight, which are easily released in an emergency by pulling the bright yellow rip-cord" mounted on the right shoulder When the "rip-cord" is pulled, the bottom of the weight compartment is opened allowing your weight to drop free Diving Vest should only be used after obtaining proper training in its operation Initial training should be obtained under the guidance of a certified scuba diving instructor This one size fits all BC is a great long term investment The SEASOFT Free Diving Vest, is an amazing advancement in free diving efficiency and comfort!!! "