Front view of the KEIS J601 Ultraflex Heated Jacket showing red piping and zip fastening

Angled front view of the KEIS J601 Ultraflex Heated Jacket with ABR Recommended badge

Rider wearing the KEIS J601 Ultraflex Heated Jacket and gloves outdoors

KEIS J601 Ultraflex Heated Jacket

£220.00

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The KEIS J601 ULTRAFLEX Heated Jacket is a lightweight mid-layer designed to sit between your base layer and outer jacket. Built with a 4-way stretch UltraFlex fabric and micro carbon-fibre heated panels in the chest, back, sleeves, and collar, it delivers flexible, even warmth that doesn’t restrict movement.

Key features
• Heating zones: chest, back, sleeves, and collar
• Power: 12 V bike lead (included) or optional 5000 mAh KEIS battery
• Connectors for KEIS heated gloves and trousers
• High collar, elasticated cuffs, two zip pockets
• Unisex fit: Sizes 2XS–3XL

Controller type
Choose Standard or Bluetooth variant. Bluetooth pairs with the KEIS app for wireless control.

Included
Jacket, fused battery harness, and instructions. Controller and lead free portable battery sold separately unless specified.

⚡ Power Options: Comes with bike power lead connection. Add a KEIS Battery Pack to your cart if you’d rather go lead-free.

Fabric: UltraFlex four-way stretch softshell
Lining: Breathable mesh with microfleece collar
Heating Panels: Micro carbon fibre – chest, back, sleeves and collar
Power Source: 12V motorcycle battery (included harness) or optional 5000 mAh KEIS battery
Connectivity: Integrated power outputs for KEIS heated gloves and trousers
Fit: Unisex design with elasticated cuffs and hem for a close fit beneath outer jackets
Controls: Compatible with KEIS Heat Controller — available in Standard or Bluetooth options
Warranty: 2-year manufacturer warranty (excluding battery packs)

We ride with KEIS through the colder months — it’s a brilliant mid-warm layer that keeps you comfortable without the bulk. The heat is instant and evenly spread, helping you stay relaxed and focused on longer rides, whatever the weather’s doing.

Pairs well with

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