Ossus is a savvy choice, offering reliable shelter from wind and rain, thanks to the AquaDry Membrane construction with adjustable hood. Guaranteed waterproof and breathable fabric. Designed for moderate to heavy downpours. Lightweight fabrics that help regulate body temperature and keep you comfortable by allowing moisture to escape. The fabric blocks wind from penetrating the garment, greatly reducing the effects of wind chill. Part made from recycling plastic bottles into polyester, reducing carbon emissions and landfill waste. Heading out on expedition? You'll need a waterproof you can rely on. Ossus is a savvy choice, offering reliable shelter from wind and rain, thanks to the AquaDry Membrane construction with adjustable hood. We think it's a worthy addition to our Duke of Edinburgh's Award Collection.