Merlin Gable II D3O Waterproof Jacket - BlackMerlin Gable II D3O Waterproof Jacket The Gable II leather jacket sees a significant improvement in performance to an already proven winner. Unlike the few waterproof leather jackets available to riders, we have avoided a drop liner (to prevent water soaking up) and sourced a German technology that is impregnated into the leather due the tannery process. This effectively makes the leather work like a laminated textile, water beads off, doesn't soak in