Across the identical time we have been digging up a 2025 replace for the novel CudaJet pack, a special spin on underwater jetting was simply surfacing into the general public acutely aware. Just like the CudaJet, Kikfin’s wearable places a multi-jet array in your again to energy you to quicker speeds beneath the floor of the ocean.
However the Kikfin Shark provides in a pair of pectoral-inspired fins and an out there dorsal fin to bio-mimic sharks and different quick, nimble sea creatures for superior motion and agility via the water. It additionally provides in a swappable battery system for extra time beneath down beneath. It is as near morphing you into an precise man-shark as the present state of science permits.
An Israeli startup, Kikfin has designed the Shark Jet Pack as an adaptation of its slimmer dual-jet Fly pack, which encompasses a pair of side-finned electrical water jets hooked up to a shoulder harness. Weighing in at 9 lb (4 kg) together with battery, this pack is designed to dive right down to depths of 131 toes (40 m), delivering a stream of as much as 33 lb-ft of thrust – a contact greater than the 12-V-powered Garmin Force Current trolling motor makes use of to maneuver a complete fishing kayak.
Kikfin
Kikfin says the Fly is nice for a high velocity as much as 5.8 mph (9.3 km/h), which sounds sluggish when considered towards widespread land car speeds however not whenever you keep in mind it is simply your physique hovering face-first via open water. To tug it again to a extra significant, granular measurement related to underwater swimming, meaning you possibly can cowl simply over 8 toes (2.5 meters) in a single second, with out having to maneuver a muscle.
In fact, you do not have to fireside the thrusters all-out all the time, and you may in all probability need to mood your want for velocity with battery optimization. The Fly provides 5 completely different velocity modes selectable through a wi-fi, single-button neoprene glove controller. The battery is designed to final between 45 and 85 minutes, relying upon utilization.
Kikfin
Talking of the battery, it is built-in straight into the pectoral fins. The specifically developed lithium pack optimizes runtime through the immersive water cooling from the fin’s floor space and streamlined form. The whole fin additionally removes so {that a} useless battery will be swapped instantly for a recent one, even with out getting out of the water.
Past battery optimization, the fins are additionally designed for biomimetic efficiency enhancement. Kikfin claims they make maneuvering underwater quicker and extra pure, permitting customers to swim extra deftly with ease. We think about bumbling, jet-powered people will nonetheless fall nicely wanting the grace of precise sea-dwellers, notably a stealthy apex predator like a shark, however sharing an additional couple appendages with the world’s foremost swimming consultants definitely could not damage.
Kikfin
Talking of sharks, that Shark Jet Pack we have been initially right here to speak about provides an additional fin-battery jet thruster, upright between the left and proper sides. That provides the wearer a glance akin to the shark’s infamously fearsome dorsal fin, together with loads of further thrust and velocity. Kikfin says the dorsal fin additional improves mobility, serving to shortly swap instructions by merely turning their head. It is also designed to streamline hydrodynamics for extra simple velocity.
With its three water jets firing full tilt, the Shark fires out as much as 46 lb-ft (21kg-ft) of thrust for speeds as much as 8 mph (13 km/h, 3.6 m/s). The additional fin battery raises whole runtime as excessive as 90 minutes, relying on what mode you are utilizing.
Kikfin
Each the Kikfin Fly and Shark jet packs are nonetheless beneath improvement. We reached out twice to the corporate through electronic mail to get an estimated launch timeframe and pricing data however by no means obtained a response. Kikfin was beforehand accepting $500 reservations however has since put its whole web site behind a password wall so we’ll have to attend till that wall will get demolished into a correct product launch to get these vital particulars.
Within the meantime, you may get a really feel for what Kikfinning is all about within the video clip beneath.
February 25, 2025
Supply: Kikfin

