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ION Sonar - Foil Seat Harness 2025

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Seat Harness
Seat
Engineered for advanced kitefoilers, this ultra-light hybrid shell seat harness features a lumbar cushion, the Spectre Bar 2, and an Ergo_Pad, delivering superior comfort and support. Available in sizes XS to XL.
283.33 € 283.33 €
339.99 €

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2-year legal warranty of conformity (Art. L217-3 of the French Consumer Code).
Warranty for hidden defects (Art. 1641 of the French Civil Code).
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The ION Sonar 2025 is the seat harness designed for kitefoilers looking for light weight and high-speed performance. With a hybrid shell that's even lighter than the Radar, an integrated Ergo_Pad lumbar cushion, and the Spectre Bar 2, it has everything you need for demanding foil sessions.

KEY INFORMATION

ION Sonar 2025 - Kitefoil Seat Harness

What we like

  • The ultra-light hybrid shell has a lighter construction than the Radar, combining rigid elements for support with flexible sections for freedom of movement.
  • The Ergo_Pad lumbar cushion provides extra cushioning to absorb the high forces of foil racing.
  • The Spectre Bar 2 ensures optimal load distribution with its lightweight C_30 carbon buckle.
  • The Leash D-Ring offers an integrated leash attachment point, with a switchable side to suit your preference.
  • The Kite_Knife 2.0 is an integrated safety multitool, featuring Torx TX20 and PH3 keys.

Available sizes

XS S M L XL

Program

Ideal for advanced kitefoil and wingfoil riders.

Recommended level

Advanced Expert

Included / Not included

  • ✅ Included: Spreader bar (with hook), kite knife, harness handle
  • ❌ Not included: -
IN SHORT
Type: Ultra-light hybrid shell seat harness
For: Advanced kitefoilers and wingfoilers
Program: High-speed foil
Highlights: Ergo_Pad lumbar support, Spectre Bar 2, Leash D-Ring, Kite_Knife 2.0
Sizes: XS to XL

DETAILED DESCRIPTION

Lightweight Hybrid Shell for Foiling

The Sonar 2025 uses the same hybrid shell concept as the Radar, but in an even lighter construction. The rigid elements provide the support needed for high-speed foiling, while flexible sections preserve your freedom of movement.

Ergo_Pad and Lumbar Support

A unique feature of the Sonar, the Ergo_Pad lumbar cushion provides extra padding in the lower back. This helps absorb the significant forces generated during foil racing, a real plus on long sessions.

Spectre Bar 2 and Leash D-Ring

The Spectre Bar 2 ensures even load distribution with its lightweight and easy-to-adjust C_30 carbon buckle. The Leash D-Ring lets you attach your leash directly to the harness, with a switchable side to suit your preference.

Integrated Safety Equipment

The Kite_Knife 2.0 multitool is integrated into the harness, providing Torx TX20 and PH3 keys for use with ION bar straps and hook systems. The Neoprene_Belt completes the setup for optimal comfort.

TECHNICAL SPECIFICATIONS

Specifications
ProductION Sonar 2025
ConstructionUltra-light hybrid shell
TypeSeat harness for kitefoil and wingfoil
Year2025
Product Code48252-4723
Available sizesXS (46), S (48), M (50), L (52), XL (54)
Color900 Black
Material55% Polyester, 40% Polyamide, 5% Neoprene
HighlightsErgo_Pad, Spectre Bar 2, Leash D-Ring, Kite_Knife 2.0, Neoprene_Belt, C_30_Buckle
IncludesSpreader bar (with hook), kite knife, harness handle
LevelAdvanced / Expert
ProgramKitefoil, Wingfoil

FAQ

What's the difference between the ION Sonar and the ION Radar 2025?

The Sonar is an even lighter version of the Radar, with an added Ergo_Pad lumbar cushion. The Sonar is designed for high-speed foil riding, whereas the Radar is more of an allround harness. Both feature the hybrid shell and the Spectre Bar 2.

Who is the ION Sonar 2025 designed for?

The Sonar is for advanced to expert kitefoilers and wingfoilers who ride at high speeds and are looking for a lightweight harness with reinforced lumbar support.

What size ION Sonar 2025 should you choose?

Sizes range from XS (46 cm) to XL (54 cm). Choose your size based on your hip measurement. If you're unsure, just contact us or stop by our shop in Pornichet.

What's included with the ION Sonar 2025?

The Sonar comes complete with a spreader bar with hook, the Kite_Knife 2.0 multitool, and a harness handle.

Why buy from GlissEvolution?

GlissEvolution has over 20 years of expertise in board sports. We offer responsive, France-based after-sales support, a 2-year warranty, free shipping on orders over €150 (conditions apply), and in-store pickup at our shop in Pornichet.

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