Large pouch underwear keeps you in a natural, ultra-comfortable downward posture – and you always look great!Why is there a pouch on men's underwear?Men's underwear has always had a pouch for practical reasons: to reduce stickiness, to keep genitals pleasant and controlled, and to assist gentlemen in keeping everything in position without continual readjusting. In terms of fashion, a large underwear pouch can either reduce or enhance a man's profile.