Blazer by River Island, For that thing you have to go to, Notch lapel, Open front, Button detailing, Three-quarter-length sleeves, Regular fit, Just select your usual size. River Island takes you from the party to the after party with its fashion-forward styles. Look out for its standout party dresses, feminine details, statement jackets and cool denim including skinny-cut jeans and cute denim shorts, which sit alongside its directional footwear and swimwear ranges.