Altura Riding Expertise Altura bring all their expertise to bear in the construction of the Nevis III jacket. Utilising their core technologies of Altura Shield™, Draft Venting™ and ErgoFit™ 3D patterning this jacket is designed to allow you to keep riding no matter what the weather. The Shield™ technology keeps rain out while allowing sweat to escape, the Draft Venting™ increases airflow where you need it most, so you don't overheat, while the ErgoFit™ 3D patterning fits you perfectly when in a riding position allowing you easy freedom of movement. Read more… Altura Shield™ Technology Altura Shield™ Technology offers wind and water protection, keeping out the elements whilst allowing excess heat and moisture to escape. This keeps you dry on the inside and stops water ingress from the outside. Altura ErgoFit™ 3D Altura make careful use of patterning that is engineered to fit while in a riding position. This attention to riding posture allows for a more comfortable riding position with a better fitting product.