Granite Gear Vapor Current Airbeam Frame Compatible Upgrade for all Vapor Current Packs Including Leopard VC 46, Aji VC 50 & Crown VC 60 Saves 3oz Over Stock VC Frame, Improves Performance to 40 lbs Load Doubles as a Sleeping Pad Extender (Use 3/4 length pad + frame) Available in short, regular, and long torso Weighs 90 grams or 3 ounces