Available sizes: EU S,EU M,EU L,EU XL. Nike Boxer shorts EDAY COTTON STRETCH Available in men's sizes. by Nike . Elegance is in the details, and Nike knows it. The simplicity of these boxer shorts is undisputed. At last, a men's undergarment that combines comfort and style! These boxer shorts offer a comfortable and stylish option for men, featuring a form-fitting cut and comfortable material for everyday wear. They come in a pack of three.