Description Aqualung Pro HD BCD Feature Patented surelock II weight system Backpack Handle Easy to carry: proprietary backpack has built-in handle Configurable Some divers may prefer to run their instruments behind the left pocket and out the scooped opening on top, in front of the lobe Gear Up! Multiple pockets, D-rings, and knife attachment points make stowing and accessing gear easy Available in both men’s and women’s styles.