Lightweight weather protection Altura use their Altura Shield™ technology to provide you with protection from wind and water, whilst still offering high levels of breathability so you get maximum comfort. This jacket is also lightweight and packable enough to stow in a jersey pocket or backpack for when you really need it. For this jacket Altura use their ErgoFit™ 3D patterning, designed to offer you a garment that fits just right when in a riding position. The fit is of their 'Performance fit' range designed to offer maximum performance from it's close body form cut. Read more… For practicality Altura include 3 rear pockets so you can carry all your ride essentials such as spare tube, multi-tool and nutrition.