Lenz Heat Sock 4.1 Toe Cap + RCB 1200 Set

The 4.1 Toe Cap Heat Sock is ideal for regular shoes such as work, hiking, or cycling shoes. Without shin guards, but with maximum comfort – perfect for anyone who wants warm feet without relying on a heated sole. The innovative heating elements wrap around the toe areas, providing noticeable all-around warmth – even at the top of the toes.

Lenz Heat Sock 4.1 with rcB 1400 – Highlights

• Perfect for work shoes, hiking shoes, and everyday shoes
• Without protectors – pleasantly thin and flexible
• Improved fit and high elasticity
• Nearly imperceptible lithium pack rcB 1400 under the comfort cuff
• Heating performance over 3 levels on the battery or continuously via the Lenz Heat App
• Quick-drying, odor-binding material – with Polygiene
• Machine washable up to 30 °C
• Material: 50% polyester | 33% polyamide | 10% merino wool | 7% elastane

Battery rcB 1400 – up to 20 hours of warmth

• Compact, lightweight lithium packs (each 95 g)
• Heating performance over 3 levels or continuously via the app
• Up to 20 hours of warmth – ideal for long days outdoors
• USB-C charging dock including storage mode and temperature protection
• Compatible with all Lenz Body Heat System products

Package Contents

• 1 pair of Lenz Heat Sock 4.1 Toe Cap
• 2 lithium packs rcB 1400
• 1 USB charging dock + cable
• 1 zippered wash bag

FAQ – Lenz Heat Sock 4.1 Toe Cap Set rcB 1400

How long do the batteries last?
The rcB 1400 batteries provide up to 20 hours of warmth – depending on the heating level and weather conditions.

Can I wear the socks without the battery?
Yes, they function like regular functional socks with high wearing comfort and warming merino wool.

How is the heat controlled?
Directly on the battery (3 levels) or continuously via the free Lenz Heat App for Android and iOS.

Are the socks washable?
Yes, machine washable up to 30 °C, ideally with the Micro Wash – please remove the batteries beforehand.