What is the most popular male underwear in United Kingdom?

Boxer briefs are the most popular type of men's underwear in the United Kingdom. They offer a combination of comfort and support, and are flattering on a variety of body types. Boxer briefs typically feature a longer leg length than traditional boxers, and a snugger fit around the waist and thighs. They are often made from a cotton-spandex blend, which is soft and stretchy, and provides good breathability. Boxer briefs are available in a wide range of colours, patterns, and designs, so men can find the perfect pair to match their personal style.