- The SCOTT ADV Terrain Dryo Adventure Jacket is the perfect choice for long distance trips in varied conditions, boasting the perfect blend of comfort, durability and weather protection thanks to a breathable, wind and waterproof Twin HD Nylon Z-liner DRYOsphere membrane. A 60gr Removable thermal lining allows you to be prepared for anything, and a side ventilation system helps keep you cool when the ride heats up. With safety in mind, the Terrain Dryo Jacket comes with D3O® protectors at the shoulder and elbow and has optional pockets for chest and back protectors.