Lightweight KEIS heated jacket with UltraFlex stretch fit
20 reviews
The KEIS J601 ULTRAFLEX Heated Jacket is a lightweight mid‑layer designed to sit between your base layer and outer jacket. Built with a unique 4‑way stretch UltraFlex fabric and Micro Carbon Fibre heated panels in the chest, back, sleeves, and collar, it delivers flexible, streamlined warmth that doesn’t impede movement. With dual power compatibility—bike lead or 5000 mAh KEIS battery—and integrated connectors, it’s a true hub for heated motorcycle clothing layering.
They seem good. Nice and thin so can use them under my regular gloves. I've got those mits for motor bloke as well. Nice that they come with connectors for bike battery. Hope they make a difference this winter
Brilliant bit of kit, I lost mine recently and immediately replaced it , that's how important this jacket is. I can wear a light summer jacket with this underneath so no bulky jackets, and with the push of a button instant heat and comfort unbelievable.
Just what you and your hands deserve, having ridden for over 45 years and suffering many a winter with ice cold hands, Keis gloves and garments are essential and not a luxury item for all year riding.
This is by far the best piece of kit I have purchased for a long long time! Last week a buddy of mine and I went on a Baltic countries adv adventure and the vest kept me warm even when the temp dropped down to 3 degrees on our way back through Finland. It's light and thin and you hardly notice it under the jacket. It heats up in seconds and the heat is evenly distributed over the whole vest. When connected to Hex Ezcan on a BMW (R1250GS) the heating levels are controlled by the button for the heated grips, so it's fully integrated into the bike's system which makes it simply brilliant!
Absolutely love this jacket...these April mornings have been down to 2 degrees a d this jacket has been the difference of me riding to work on taking the car.....brilliant....only my little fingers have been cold.....might have to get the gloves next
Excellent products, gloves jacket trousers socks and excellent customer service, had issue with gloves whilst on bike and discarded the original packaging but was still allowed to return/swap
The KEIS J601 ULTRAFLEX Heated Jacket is a lightweight, flexible mid-layer designed for riders who want warmth without bulk. Made from premium 4-way stretch UltraFlex fabric, it conforms to the body for unrestricted movement under protective gear. Equipped with Micro Carbon Fibre heating panels in the chest, back, sleeves, and collar, it delivers 65W of powerful, evenly distributed Far Infrared warmth. Breathable, quick-drying construction prevents overheating, while integrated connectors allow easy linking to KEIS heated gloves, trousers, or socks. Dual-powered, the J601 can be run from your vehicle’s 12V outlet for continuous heating or via an optional 5000mAh KEIS battery for off-bike use. Designed for serious riders and all-season touring, it offers a perfect blend of performance, flexibility, and comfort. Includes: J601 Heated Jacket, 12V Vehicle Supply Lead, instructions.
4‑Way Stretch UltraFlex Fabric
Tailored from UltraFlex material, this mid‑layer moulds to your body for a snug fit under riding gear while allowing full freedom of movement. A seamless blend of comfort and performance for motorcyclists.
Strategically placed across the chest, back, sleeves, and collar, the powerful 65 W system uses Micro Carbon Fibre and Far Infrared heat to deliver even, sun‑like warmth. Features come backed by a lifetime panel warranty.
Central Power Hub: Got other KEIS kit? Connect your KEIS garments together using the included output sockets in the cuff of both arms and inside the waistband of any jacket, vest, or bodywarmer
Dual Powered: All KEIS products can be powered either via a KEIS portable battery pack or using a vehicle supply lead which comes included with many items including Jackets, Vests, Bodywarmers, Gloves and more
This garment can be used as a central power hub to other KEIS garments such as gloves through the integrated connectors.
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Tailored Fit
Yes
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Heated Collar
Yes
Yes
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No
Lowered Back
Material at the back of the jacket is lowered to avoid the jacket not covering your back when riding in a more aggressive riding position.
Yes
No
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Thumb Holsters
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No
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Material
Ultraflex
Softshell
Softshell
Thinsulate®
Heating Panels
6
6
6
3
Rating
(20)
(7)
(5)
(7)
Price
From $389.61
From $354.21
From $425.04
$283.35
Included
Manuals
Comprehensive instruction manuals to help you use the jacket and discover other KEIS garments.
Yes
Yes
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Yes
Vehicle Supply Lead
A direct connection to your motorcycles battery giving you endless power
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Yes
Yes
No
Power Controller
An essential tool to help regulate the power to your KEIS garment. Also available as a bluetooth upgrade.
Yes
Yes
Yes
No
Battery Pack
No
No
No
Yes
Why Wear Heated Gear
If you're an all-weather rider, you'll know that the winter months can mostly be unpleasant to ride through. Especially in the UK.
Increased Control:
When your hands are cold, you lose dexterity which can make bike handling difficult. Heated gloves help minimise loss of control
Increased Comfort:
Simply put, being cold is uncomfortable. Heated kit helps make your winter rides that extra bit more enjoyable
Reduced Risk:
Being cold increases your risk of road accidents, as your reaction time and concentration decreases. Being warm on the bike equates to added protection
Flexibility:
Ride without the bulk! Heating gear eliminates the need to wear multiple heavy layers, which can prove uncomfortable when on the bike for longer periods of time
Fits perfectly and I’m a 136kg 6ft 1 big lump warms up really fast can’t wait to try it out on my bike .ordered the 501 jacket in error first I called Keis and they cancelled and refunded the money instantly so I could order the correct coat extremely helpful 5* in my opinion
