Two Testicles React to Warmth, Cold and Wind on World's Ballsiest Weather Billboard

'The Boys' are back in Australian underwear campaign

One of the funniest ad campaigns of 2015—Australia's "The Boys" campaign for Bonds underwear, starring a pair of chatty testicles—returns in a big way for 2016 with a seven-story-high weather billboard in downtown Melbourne in which the lads react in real time to cold, warmth and wind.