For the ultimate low profile fit, the 16G Belt Pack is the way to go. Its compact design and pillow-style bladder provide a design buoyancy 15.5 lbs of flotation. Pull the 'JERK' tab to inflate, then pull attachment strap over head to secure. Use this belt pack in your pack raft, on your SUP, or while racing. The compact size includes two D-ring attachment points and a signal whistle. Please note: This PFD must be worn in order to be legal. Will not meet carriage requirements for those under the age of 16 years of age.