Level up your underwear with the men's Nike underwear range at Sports Direct, offering a broad range of Nike boxers and other types of men's underwear in a good range of colours and styles. From Nike briefs to trunks and jock straps, our Nike underwear for men section has it all, making sure you feel comfortable whatever you're up to. Ideal for everyday use or just for sportswear, every man could do with some new Nike underwear.