Volcom Deadly Stones Insulated Jacket. Lock into the insulation station with the Deadly Stones. Packing in a generous 80g dose of insulation, this insulated snowboard jacket keeps the good times a-rollin' with V-Science Supreme twill fabric outer and its breathable waterproof 2-layer membrane. Mesh-lined zipper vents let you dial in the perfect temp, working with critically-taped seams and the Zip Tech® jacket to pant interface seal heat in and keep snow out. Brushed tricot-lined handwarmer pockets with internal hem-cinch access are easy on your hands.