Shop this season's range of men's blue jumpers & cardigans to add a pop of colour to your everyday attire. Discover our selection of blue knitwear in various shades, from royal blue and darker hues to lighter tones. Layer a navy jumper over a shirt or button up a v-neck cardigan. Discover crew neck, v neck and quarter zip knits or keep snug in turtle neck styles. From plain to patterned styles, shop this season's range of men's blue jumpers and cardigans by brands like Boss, GANT and Polo Ralph Lauren.