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Driven by passion and innovation in Swimrun, swimming and triathlon.

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ARK Keel™ +

Price 650 kr
In stock

Maximize your buoyancy and speed.

KEEL™ + is the most buoyant pull buoy ever made and the largest in our KEEL™ family. With its 55 Newton buoyancy effect, it will lift you as never before.

Developed and optimized by the world’s best swimrun athletes and the swimrun community.

  • Maximum buoyancy effect (55 Newton)
  • Hydrodynamic design
  • Lightweight
  • Durable
  • High comfort

Length: 28 cm
Height: 30 cm
Width: 12 cm

Weight: 225 g


The unique shape is inspired by a boat's keel and delivers highest hydrodynamics and speed. The ”saddle” carved top part optimizes the fit and keep the pull buoy stay in place when swimming.


Material and its unique construction makes the KEEL™+ very durable. KEEL™+ is designed to be worn on the thigh while running but can also be placed on the lower back.