The largest animal to have ever existed, the Blue Whale feeds on tiny krill, ingesting up to 4 tons a day! These graceful swimmers can reach speeds of over 20mph and depths of 500 metres. Blue Whales are also some of the loudest creatures on earth. Their calls, used to communicate and navigate, are thought to reach up to 1000 miles. Crew neck T-shirt with short sleeves and designed with superior Airlume combed and ring-spun cotton. Offered in a variety of solid and heather cvc colours.