The Björn Borg 3 Pack Performance Boxer in blue, red, and green is a set of men's underwear in UK size Small. These high-quality boxer shorts are designed to provide both style and comfort for the modern man. With the iconic Björn Borg brand, you can trust that these underwear are durable and reliable for everyday wear. The vibrant colours add a pop of personality to your wardrobe, making them a practical and stylish choice for any man looking for comfortable and stylish underwear.