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Lenz Heat Sock 6.1 Toe Cap Set + Battery Packs rcB 1400

Product information "Lenz Heat Sock 6.1 Toe Cap Set + Battery Packs rcB 1400"

The Lenz Heat Sock 6.1 Toe Cap Set with rcB 1400 battery packs combines thin compression socks with a high merino content and powerful lithium packs. The innovative Toe Cap® heating elements warm your toes from above and below, while the compression knitting technology delays fatigue and provides more energy. With up to 20 hours of heating you'll stay reliably warm even on the coldest days.

Advantages of the set

  • Toe Cap® technology - Even heat in the toe area
  • compression knit - close-fitting, ideal for race boots & tight shoes
  • Merino SOFTTEC® - breathable, soft & warm
  • rcB 1400 batteries - up to 20h heating time, 3 levels or infinitely variable via app
  • USB-C charging cradle - with quick charge function & storage mode
  • Machine washable up to 30°C (remove batteries beforehand)

Technical specifications

Material socks55 % polyamide | 35 % merino wool | 10 % elastane
Battery size8.5 × 5.5 × 1.5 cm
Battery weightapprox. 95 g per piece
Heating timeup to 20 h (depending on heating level & conditions)
Control3 levels directly on the battery or infinitely variable via the Lenz Heat app

Package contents

  • 1 pair of Lenz Heat Sock 6.1 Toe Cap® Merino Compression
  • 1 pair of rcB 1400 lithium packs
  • 1 USB-C charging cradle for 2 batteries
  • 1 USB-C to USB-A charging cable
  • 2 contact protectors
  • 3 pairs of colored rubber bands
  • 1 wash bag with zipper
  • Free Heat app (Apple & Android)

We recommend the Hey Sport Microwash to extend the life of your heated socks.

FAQ about the rcB 1400 set

How long does the set keep warm?
With the rcB 1400 rechargeable batteries, the socks provide heat for up to 20 hours.
Can I use the batteries with other Lenz products?
Yes, the rcB 1400 packs are compatible with all Lenz Heat Socks, Gloves, Jackets, Vests and Pants.
How are the batteries charged?
Via the USB-C charging cradle supplied - including fast charging function and storage mode.
Are the socks washable?
Yes, up to 30°C in the washing machine - please remove the batteries beforehand.
Properties "Lenz Heat Sock 6.1 Toe Cap Set + Battery Packs rcB 1400"
Area of application: Alpine skiing, Ski Nordic, Ski Touring, Snowboard
Battery capacity: 1400mAh
Charging technology: USB
Color: Black, Red
Manufacturer: Lenz
Material: 55 % polyamide | 35 % wool (merino) | 10 % elastane
Product type: sports socks
Properties: Compression
Size: 39-41
Slat width: Normal
Sock length: High
Socks properties: Warming
Sports sock type: Heated socks
Target group: Gentlemen, Ladies

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Average rating of 4 out of 5 stars


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January 17, 2026 8:19 PM

Review with rating of 4 out of 5 stars

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