LIGHTEN UP Our lightweight BC weighs in at just 5.5 pounds (2.5 kg)! The Biolite looks to establish itself as a complete solution with a color design and streamlined, integrated weight system. This is the ultimate travel BC with a perfect balance of features and benefits that makes diving a pure joy. The Biolite keeps things simple with a clean, straightforward design that focuses on comfort and convenience. If your travel plans call for lightweight luggage, the Biolite is for you.