Birddogs. Gym Pants TV Commercial, 'They Feel Great' Song by Guts

Birddogs. shows off its Gym Pants, which boast built-in boxers, as well as the ability to get tugged, wet, avoid wrinkles and store valuables in its zipped pockets. Not to mention, they purportedly feel great, as evidenced by the model being unfazed by an aggressive groin punch.