DaFiN Swim Fins

DaFiN Swim Fins 4.75 5 4

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"DaFiN is the only swim fin I use both professionally and for recreation. Power and comfort are the two utmost things I need in a pair of fins. DaFiN delivers on both and more." - Mark Cunningham

Form meets function. DaFiN Swim Fins are the #1 choice of lifeguards, bodysurfers, and top watermen around the world and is standard issue equipment for more than 60 municipal lifeguard and surf rescue agencies in the USA. Developed in Hawaii with input from world-renowned pros such as Mark Cunningham and Brian Keaulana, DaFiN was granted a U.S. Patent for its original design. DaFiN combines unparalleled comfort with exacting construction to create a swim fin that performs under the most extreme conditions.

The side rails --- the “strakes”--- on DaFiN are rock solid but run only about halfway down the length of the fin where they angle back to the blade. This forces the fin to flex right at this critical point. The raised V-shaped foot pocket combined with a stiff blade working together at the point of flex creates the maximum acceleration of the water flowing over the fin surface resulting in more thrust per kick with less effort. For such a powerful fin, it is unusually light in weight. DaFiN floats in the ocean and there is no right or left foot difference so DaFiN can be worn on either foot.

Product Features

  • Ultra comfortable foot pocket
  • They float!
  • Strakes improve maneuverability and support against the heaviest surf
  • Balanced double density rubber for the perfect "snap"
  • Universal to your left or right foot
  • Official fin of the Hawaiian Lifeguard Association and the United States Lifesaving Association


DaFiN Swim Fins Very good Review by Big O Big O
The XXL fit perfectly for my size 16 left foot and my size 15 right. Good scratch without being too tight or loose.

Much Stiffer than my Churchill makapuu fins but getting used to them.

The post card from the cleanline team was nice touch. Made me feel like I walk into their store while buying online
(Posted on 7/10/2019) 2019-07-10
DaFiN Swim Fins FinsReview by Casey Casey
The medium fit nice. I have a high arch but was able to slid into the fin once they got wet. Like the travel bag you sent, that was a surprise.
(Posted on 8/7/2018) 2018-08-07
DaFiN Swim Fins DopefreshReview by Shred Astaire Shred Astaire
Yo homies with foamies, dogs with logs, and blade crusaders, if you ever wanna ditch your board and paddle out au-natural, stuff yourself into a heaving green monster that's pitching and throwing and you're throated so deep that the chandeliers are raining hard, or maybe dial into a mutant, charging hard into where the hobbits dwell, and get spit out onto the flat dripping with positive ions, then these flippers will work pretty well, actually.
(Posted on 5/25/2017) 2017-05-25
DaFiN Swim Fins Liked product, and really liked personal note, along with stickers and candy!Review by kt kt
Very happy. Will shop with you again.
(Posted on 2/13/2017) 2017-02-13

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Size Chart

DaFin Swim Fins — Size Chart

For a proper swim fin fit check out the DaFin Size Chart available below. If you've never worn fins before or are uncertain about your sizing, don't be afraid to give us a ring and the staff at Cleanline Surf will be standing by ready to assist you in finding the perfect fit.

Men's US Shoe SizeWomen's US Shoe SizeDaFin Fin Size
1 - 2NAXXS
3 - 44 - 5.5XS
5 - 66 - 7.5SM
7 - 88 - 9.5MD
11 - 1212 - 13.5LG
13 - 1414.5 - 15.5XL
15 - 16NAXXL


Returns are easy! We understand that in some situations returns or exchanges may be necessary. We also want you to be stoked on your purchase. If you are not 100% satisfied with your purchase you may return it for a full refund, or exchange within 30 days of receiving your order. Items must be in new condition with original tags and packaging.

Please make sure your wetsuit fits before taking it in the water. We are not able to take returns or exchanges on used wetsuits.

Please reference our full Return Policy.

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