leaves little to the imagination in skimpy swimsuit in Costa ...

The past few days has seen her enjoy a joint family vacation to Costa Rica with her sister Kourtney Kardashian and their kids.   

And the fun continued for Kim Kardashian on Friday, seen stripping down into a very tiny and risque one-piece for some fun on the water.  

The 38-year-old was spotted spending time with her kids while ensuring everyone knew she was a fun mom, making waves on a jet-ski. 

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Baring all! Kim Kardashian left little to the imagination on Friday, stripping down to an incredibly skimpy one-piece for a boat day with her extended family in Costa Rica

Baring all! Kim Kardashian left little to the imagination on Friday, stripping down to an incredibly skimpy one-piece for a boat day with her extended family in Costa Rica

Kim proved that her consistent hard work at the gym had paid off, stripping down to a incredibly skimpy one piece with lots of coverage and very minimal coverage. 

The suit featured a very high cut bottom and the back and front was all cut out, modestly covering her ample cleavage. 

The mom-of-four appeared to be wearing a minimal amount of makeup with blushed cheeks and a nude lip.  

Fit mama: Kim proved that her consistent hard work at the gym had paid off, stripping down to a incredibly skimpy one piece with lots of coverage and very minimal coverage

Fit mama: Kim proved that her consistent hard work at the gym had paid off, stripping down to a incredibly skimpy one piece with lots of coverage and very minimal coverage

Not shy: The suit featured a very high cut bottom that further accentuated her ample behind

Malfunction! Kim was also seen flashing a lot of side boob, busting out of her suit

Not shy: The suit featured a very high cut bottom that further accentuated her ample behind 

Bonding: A doting mom-of-four, at one point she was seen giving her eldest son, Saint, three, some special one-on-one attention, cuddling him while he enjoyed a snack

Bonding: A doting mom-of-four, at one point she was seen giving her eldest son, Saint, three, some special one-on-one attention, cuddling him while he enjoyed a snack

At one point, Kim added a blue life jacket to her look and went for a ride with her personal trailer Melissa Alcantara on the jet ski. 

Her long brunette tresses were styled out naturally and she struggled to wipe the smile off of her face. 

A doting mom-of-four, at one point she was seen giving her eldest son, Saint, three, some special one-on-one attention, cuddling him while he enjoyed a snack. 

Family day: Also with Kim was her eldest daughter North West, six

Family day: Also with Kim was her eldest daughter North West, six 

Fun in the sun! At one point, Kim added a blue life jacket to her look and went for a ride with her personal trailer Melissa Alcantara on the jet ski

Fun in the sun! At one point, Kim added a blue life jacket to her look and went for a ride with her

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