Take a practical approach to expedition wear with Ossus. This AquaDry Membrane shell jacket is part of our Duke of Edinburgh's Award Collection and is designed to deliver waterproof, breathable performance all year round, effectively locking out wet weather. A solid choice for your DofE kitbag. The Ossus is a smart waterproof shell jacket with impeccable trail credentials, offering effective protection from seasonal showers thanks to the AquaDry Membrane construction with hood and neat stormflap. Primed and ready for the expedition trail.