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Enjoy warm feet and maximum comfort with every step – the Heat Socks 4.1 set with rcB 1200 Lithium Packs provides pleasant warmth, even on cold days. The innovative Toe Cap® heating element warms your toes from above and below, while the stretchable calf material and comfort cuff ensure a perfect fit. This way, you can fully focus on your cold-weather activities without cold feet.

The merino wool blended with functional fibers regulates moisture and keeps your feet dry. Thanks to left/right knitting, padded reinforcements, and the lace band on the instep, the socks fit perfectly and don’t slip. The rcB 1200 Lithium Pack is securely attached to the cuff and provides up to 14 hours of warmth. Controlled directly via the battery or conveniently with your smartphone and the free Lenz Heat App. With this set, you enjoy full flexibility and long-lasting warm feet – for sports, walks, at work, or simply at home.

Set: Heat Sock 4.1 Toe Cap + rcB 1200

€ 199,95 € 259,90
(incl. VAT plus shipping costs )
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Our heated socks as a practical set with the rcB 1200 battery packs keep your feet comfortably warm for up to 14 hours – during winter sports, at work, and in everyday life.

Delivery time: Austria & Germany 2–3 working days, other EU countries 2–9 working days
Quantity
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Heat

Our heated products are available with permanently installed and flexible heating elements. The heating elements heat the products in different places using a battery, perfect for cold days. More information

Merino SoftTec®

This material combines the natural warmth, breathability and hygiene of merino wool with high-tech fibers. It offers a scratch-free feel and is particularly suitable for outdoor sports activities. More information
Heat Sock 4.1 Toe Cap
  • Toe Cap® heating element warms the toes from above and below
  • Improved elasticity in the calf area
  • Ergonomically knitted for left/right foot
  • Ring bandage on the instep for better hold
  • Padded sole and reinforcements on toes and heel
  • Merino SoftTec® material blend for a scratch-free feel
  • Compatible with all Body Heat System lithium packs
  • Machine washable at 30°C
Lithium Pack rcB 1200
  • Rechargeable lithium packs for heated products
  • Packs attach easily to heated products with snap buttons
  • Adjustable heat via free smartphone app (stepless) or directly on the battery (3 levels)
  • Compact, lightweight design – only 85 g, 8.5 × 5.5 × 1 cm
  • USB charging cable included with charging indicator
  • Compatible with rcb 1800 charger
  • Batteries charge only when the environment is neither too cold nor too hot thanks to temperature protection
Package contents
Heat Sock material
  • 50 % polyester
  • 33 % polyamide
  • 10 % merino wool
  • 7 % elastane

 

Heat Socks

EU 31 - 34 35 - 38 39 - 41 42 - 44 45 - 47
UK 1 - 2 2,5 - 5 5,5 - 7 7,5 - 9,5 10 - 11,5
US 1 - 3 4 - 6 7 - 8 9 - 11 12 - 13
INT XS S M L XL

 

Heat Socks

Battery model / Heat level Heat Level 1 Heat Level 2 Heat Level 3
Lithium Pack rcB 2000 18,5 - 23,0 h 10,5 - 12,5 h 6,5 - 7,5 h
Lithium Pack rcB 1800 16,0 - 20,0 h 9,0 - 11,0 h 5,5 - 6,5 h
Lithium Pack rcB 1400 12,5 - 16,5 h 6,5 - 8,5 h 4,5 - 5,5 h
Lithium Pack rcB 1200 10,0 - 14,0 h 5,5 - 7,5 h 3,5 - 4,5 h
Heat Pack / Heat Pack 2.0 9,0 - 13,0 h 4,5 - 6,5 h 3,0 - 4,0 h