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K4 Fins / Surf-SUP wave front fins

Surf-SUP wave front fins


We’ve had a unanimous thumbs up for the K4 Fins SUP surf fins; from the Bluesmiths team using them in Maui perfection, to the likes of big wave ripper Finn Mullen in Ireland, through to those in the UK having their first experience of Stand Up Paddling with Loco-SUP and of course our K4 team riders.

We’re excited to bring you a substantial range of sizes in the K4 shop to tune your board for every wave. Our asymmetric front fins are available in 8, 10, 12, 13  and 14cm.

Sold in pairs for £18
Rears in 10,12 and 13cm in both FCS and Futures are available here:

SURF rears

You can also select large sized rear US or SURF box fins in a choice of Stubby or Flex in the fin shop.

US Flex rears

US Stubby rears


K4 Fins front SUP surf fins are available in 8, 10, 12, 13  and 14cm, rears in 8, 9, 10, 11, 12 and 13cm in both FCS and Futures.
Note: 13cm and 14cm front Futures are currently out of stock.

Additional information


14cm, 13cm, 12cm, 10cm, 8cm, 7cm


FCS, Futures


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