DetailsVolcom Men's Size Chart On a mission? Then get yourself the Deadly Stones. This versatile jacket offers dependable winter performance with its waterproof, windproof V-Science 2-Layer outer shell. Lined only with the V-Science breathable system - which does the heavy lifting on breathability - you can dial in your own comfort level with layers as and when you need them. Mountain ready tech specs include a Zip Tech® jacket to pant interface, hidden toggle cinch hood for easy adjusting and mesh-lined zippered vents to aerate high activity.