Old Navy's big mens underwear offers hip styles at affordable prices. Underwear for big men come in an array of colours and designs to capture your personality flawlessly. Made with the best materials, big mens boxers are comfortable and durable for everyday wear. Boxers for big men are designed for the perfect fit around your waist and thighs. Underwear for big men is a fun and cool visual pop. Grab all your favourite big mens underwear from Old Navy today before they disappear.