Justin Bieber Goes Wakeboarding in Just His Boxers!

Justin Bieber jumps in the air on his wakeboard while having some fun in the sun on Sunday (July 3) in Miami, Fla.

The 22-year-old singer wore just a pair of white Calvin Klein underwear and it became totally see-through once it got wet! He was joined on a yacht that afternoon by his good friend Ryan Good and his longtime girlfriend Ashley Benson.

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Justin was also seen in a pair of green trunks and an orange swimsuit throughout the weekend. He is in town for stops on the Purpose Tour!

30+ pictures inside of Justin Bieber showing off his body while wakeboarding in Miami…