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Assos iJ.bonKa.6 Windproof Jacket

Assos iJ.bonKa.6 Windproof Jacket
Assos iJ.bonKa.6 Windproof Jacket
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Assos Cycling-Specific Body-Mapping
Anatomical Fit, Ergonomically Pre-Shaped
strataGon airBlock Membrane Fabric
Lead Time & Availability
Please call us on +44 (0) 1978 663001 for availability.


Key Features

Assos Terminology

About Assos

Made By Assos

Assos Size Guide

Q & A


Replacing the airJack (pre 851 model), which was 8 years in production, the Assos iJ.bonKa.6 is an update purely for technical progress, not just an aesthetic makeover.  The main difference being the lower volume and lighter weight, it also offers more protection.  It is a superbly protecting, suitable down to zero in combination with an Assos interactive body insulator, or even 2 of them as you get close to freezing temperature.

This will effectively wick moisture away from your body to stop it getting chilled, and keep your body heat close.
The use of different fabrics in different areas results in just the right fabric in the right area for each specific purpose.  In fact, 6 different fabrics are used in 32 different patterns.

2 layers of fabric, strataGonUltra is paired with RXQ to block the wind on the outside while insulating on the inside, and the exposed chest and arm areas have yet another layer of wind protection.
At the rear, RX fabric is there to insulate and to transport moisture away from your body, and Assos' stabiliser panel reduces vertical stretch to hold the jacket in place and to stop things in your pockets from sagging the jacket.
To finish off the construction, strataGonMedium fabric is in place on the sides and lower arms, where a little less protection is needed, to aid breathability and reduce weight.

A nice feature is the turtleneck construction of the collar, which keeps your neck and chest insulated while allowing you to regulate your temperature with the front zip when climbing, for example.
Other touches include 3 rear pockets and 2 zipped security pockets for keys and money.

This is one of the most technical and effective pieces of cycling clothing available and while it isn't cheap, it does offer the answer to miles and miles of enjoyable cold weather cycling in comfort that nothing else can offer.

Note: Please click on the above tabs for the Assos size guide and terminology guide.

Note: The iJ.bonKa.6 Jacket is now made in 2 different styles - Mille is for the general athletic cycle fit, and Cento is for super-athletic competition body type.

NB: Image for illustration purposes only

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