Shop this season's range of men's blue knitwear to add a pop of colour to your everyday attire. You'll find a selection of blue jumpers and cardigans in various shades, from navy and royal blue to lighter tones. Pop a navy jumper layered 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.