Update your closet today with River Island. Shop all the latest designer knitwear in our selection. The variety of styles on offer from River Island means there is something for everyone. River Island's knitwear are a worthy investment, which will work for both casual and formal occasions. Combining a minimalist design with expert craftsmanship, it’s easy to see why this collection is so popular. Discover our wide selection of River Island knitwear. Shop new season and sale now.