When the weather can't make up its mind, reach for a lightweight jacket. River Island’s collection of women’s lightweight jackets is perfect for those in-between days when you need an extra layer without the bulk. From easy shackets and relaxed overshirts to lightweight puffer jackets, find styles that work over everything from jeans and knitwear to dresses and skirts. As autumn sets in, layer yours over a cosy jumper with ankle boots for an easy everyday look. Need something warmer? Explore our winter jackets or discover coats for those colder winter days. Whether you're heading out for the weekend or simply adding an extra layer to your daily look, these jackets make transitional dressing easy.