Skip to main content Skip to search Skip to main navigation
Passionate for winter sports Experienced team with top service

Product information "Lenz Heat Sock 4.1 Toe Cap"

The 4.1 Toe Cap®-heat sock for normal shoes. This comes without protectors on the shin and fits perfectly in work shoes or hiking boots and many other types of shoes.

Cold feet are a thing of the past. The heatable socks from Lenz are the perfect companions! The socks are for all men's and women's feet who do not want to freeze on cold days and want to do without a heated sole. The completely new heating elements enclose the toe areas and give off even more noticeable warmth. This also warms the upper part of the toes and guarantees better blood circulation at cold temperatures.

New features Lenz Heat Sock 4.1:

  • Ideal for hiking boots, work shoes, cycling shoes, etc.
  • Without protectors
  • Improved fit and higher elasticity
  • New high-quality fiber combinations for maximum wearing comfort
  • Machine washable up to 30°C
  • Press studs for attaching the PowerSock battery pack
  • Non-perceptible heating elements thanks to double-layer construction
  • Polygiene® guarantees active odor control
  • Maximum moisture transport thanks to high-quality materials
  • Ergonomic shape and ring bandages ensure a perfect fit
  • Footbed padding increases wearing comfort
  • Material: 50% polyester | 33% polyamide | 10% merino wool | 7% elastane

Lenz Heat Sock 4.1 Package contents:

  • 1 pair Lenz Heat Sock 4.1 Toe Cap
  • Washbag with zipper

We recommend the Hey Sport Microwash. This detergent eliminates bacteria even at low temperatures.

FAQ about the Lenz Heat Sock 4.1

How long do the socks provide warmth?
In combination with the matching Lenz Lithium Packs, the socks provide warmth for up to 22 hours, depending on the heating level.
Are the socks washable?
Yes, the Heat Sock 4.1 is machine washable up to 30°C. Please remove the batteries first.
Can I also wear the socks without the battery?
Yes, they can be worn like normal functional socks and offer high comfort thanks to the merino content.
Which shoes are they suitable for?
The 4.1 Toe Cap models have been specially developed for normal shoes such as work, hiking or cycling shoes.
Properties "Lenz Heat Sock 4.1 Toe Cap"
Area of application: Bike, Boots, Shoes, Work
Color: Black, Red
Manufacturer: Lenz
Material: 50% polyester | 33% polyamide | 10% wool (merino) | 7% elastane
Product type: sports socks
Size: 35-38
Slat width: Normal
Sock length: High
Target group: Gentlemen, Ladies

2 of 2 reviews

Average rating of 4.5 out of 5 stars


50%

50%

0%

0%

0%


Leave a review!

Share your experiences with other customers.


2 reviews

February 15, 2025 5:26 PM

Review with rating of 4 out of 5 stars

Perfect and comfortably warm. Super product

Perfect and comfortably warm. Super product

October 10, 2022 10:53 AM

Review with rating of 5 out of 5 stars

Sehr schnelle Lieferung, alles bestens. Gerne wieder.

Sehr schnelle Lieferung, alles bestens. Gerne wieder. Besten Dank.

Discount
Gray, long Lenz Heat Sock 5.1 Slimfit with red toe cap, cuff and logo.
Lenz Heat Sock 5.1 Slimfit Toe Cap

Cold feet are a thing of the past. The heatable socks from Lenz are the perfect companion for anyone who doesn't want to freeze on cold days and doesn't want a heated sole. The new heating elements completely enclose the toe areas and give off noticeably more heat - even at the top of the toes. This improves blood circulation and effectively prevents cold. New Lenz Heat Sock 5.1 Slimfit: Specially designed for slim feet and calves Improved fit and greater elasticity New high-quality fiber combinations for maximum comfort Machine washable up to 30°C Press studs for attaching the PowerSock battery pack Heating elements cannot be felt thanks to double-layer construction Polygiene® guarantees active odor control Maximum moisture transport thanks to high-quality materials Ergonomic shape and ring bandages ensure a perfect fit Special protectors protect the foot Footbed padding increases comfort Material: 50 % polyester, 15 % merino wool, 25 % polyamide, 2 % polypropylene, 5 % silk, 3 % elastane Lenz Heat Socks 5.1 Slimfit - Package contents: 1 pair of Lenz Heat Sock 5.1 SlimFit Toe Cap Washbag with zipper We recommend the Hey Sport Microwash. This detergent eliminates bacteria even at low temperatures. FAQ about the Lenz Heat Sock 5.1 Slimfit How long do the socks give off heat? In combination with the matching Lenz Lithium Packs, the socks provide heat for up to 22 hours, depending on the heating level. Are the socks washable? Yes, the Heat Sock 5.1 Slimfit are machine washable up to 30°C. Please remove the batteries first. Can I wear the socks without the battery? Yes, they can be worn like normal functional socks and offer a high level of comfort thanks to the merino content. Who are the Slimfit models suitable for? The Slimfit version has been specially developed for narrow feet and calves and therefore fits tighter and more comfortably.

CHF 89.00 * CHF 109.00 18.35% saved
Two Active Breeze ladies socks in Plum Pie color, standing upright.
Active Breeze women's socks Plum Pie

Pleasant foot climate thanks to high moisture transport Breathable material for a fresh feel Exceptionally smooth and slightly silky look thanks to soft Lyocell Soft rolled cuffs Optimum durability thanks to reinforced stress zones Perfect Falke fit Thanks to its breathable material composition, this sock guarantees a fresh feel at all times. Due to its high moisture absorption, the sock provides a unique, dry feeling on the skin and offers maximum comfort thanks to the use of soft, skin-friendly Lyocell fibers (botanical origin). The sock is rounded off with a feminine rolled edge.

CHF 15.00 *
Two long, striped knee-high socks for ski tours in burgundy and purple, with gentle compression.
Ski Tour LT Comp Long Socks W

Ortovox Ski Tour LT Comp Long Socks Ladies Lightweight comfort on long tours: Discover the lightweight, comfortable knee socks with merino and gentle compression for female ski tourers. Highlights Technical and lightweight for maximum performance Even compression prevents fatigue Breathable and moisture-regulating for dry feet The SKI TOUR LT COMP LONG SOCKS for women are the perfect companion on Lange ski tours. The light compression revitalizes tired feet and the merino wool ensures a pleasant foot climate. The ergonomic fit and elasticated double cuff keep the socks in place, while the special ankle stabilization zone provides additional protection. With the padded heel and toe area, your feet are well protected even on rough slopes. Ideal range of use Alpine climbing: 0/5 Alpine touring: 4/5 Mountaineering: 2/5 Ski touring: 5/5 Freeride: 5/5 Product features Flat toe seam and ergonomic fit Mesh system for improved breathability Padded heel and toe area Ankle stabilization zone Moisture channels for dry feet Uniform compression system Material composition 44% polyamide, 43% merino wool, 8% recycled polyamide, 5% elastane

CHF 54.90 *
Two red, transparent velour Beat socks with small, darker hearts and a ruffled cuff.
Velour Beat socks Lipstick

Fashionable socks with a comfortable feel thanks to a high-quality cotton blend combined with a viscose blend Feminine velvet hearts on a light, very elegant knitted structure with a subtle all-over sheen Feminine, slightly ruched cuffs Ideal gift for Valentine's Day, Mother's Day and for anyone you want to make happy Perfect Falke fit The perfect gift for Valentine's Day, Mother's Day and for anyone you want to make happy. This modern interpretation of a romantic, feminine style is characterized by feminine velvet hearts on a light, very elegant knitted structure. Subtle all-over shine and a slightly ruffled cuff round off the style. The perfect Falke fit and high-quality material composition made from a cotton blend combined with a viscose blend ensure a comfortable fit.

CHF 18.00 *
Black, short Vertical Mesh Footie sock from Dynafit, lying on the side. White "Dynafit" lettering on the upper and lower edge of the sock.
Dynafit Vertical Mesh Footie Black Out

Ultralight and particularly comfortable in hot temperatures: the thin Vertical Mesh socks are perfect for steep mountain runs in summer.You'll work up quite a sweat on demanding verticals. Choosing the right socks is essential to ensure that your feet stay dry, your skin doesn't get soggy and blisters or pressure points don't stand a chance. The Dynafit Vertical Mesh Footie Black Out functional socks bring lightness to your run with their minimal weight of just 30 grams. The seamless design ensures a particularly high level of comfort and prevents creases and friction. The Dryarn® material guarantees optimum breathability and quick drying for a pleasant foot climate at all times. The socks extend to just above the ankle and therefore fit perfectly in any running shoe.

CHF 15.00 *
A single green Dynafit FT Winter Moss ski sock with black pattern, black heel and orange logo.
Dynafit FT Winter Moss

Dynafit FT Winter Moss - Lightweight hiking ski socks with various prints.

CHF 39.00 *
Two long, pink ski tour socks with a geometric pattern in olive green are set against a white background.
Ski Tour Comp Long Socks W

Ski Tour Comp Long Socks W Comfort for long ski tours: Comfortable, pre-shaped knee socks with merino and light compression for ski tourers. Highlights Even compression to prevent fatigue Optimum fit for a smooth fit High breathability and moisture regulation The SKI TOUR COMP LONG SOCKS offer ideal comfort on demanding ski tours. The merino wool combined with a uniform compression system supports the muscles and keeps the feet fresh. The ergonomic fit and elasticated double cuff ensure a secure fit, while the ankle stabilization zone prevents slipping. The padded heel and toe area provide additional protection and cushioning. Ideal range of use Alpine climbing: 0/5 Alpine touring: 4/5 Mountaineering: 2/5 Ski touring: 5/5 Freeride: 5/5 Product features Elastic double waistband for optimum hold Calf ventilation and support Effective compression system Moisture channels for dry feet Stabilization zone at the ankle Padded heel and toe area Mesh system for improved breathability Ergonomically optimized fit Flat toe seam to prevent friction Material composition 56% merino wool, 39% polyamide, 3% elastane, 2% recycled polyamide

CHF 54.90 *
Legs with knee socks "Sun" and high heels, light skin.
Shelina 12 DEN women's knee socks Sun

Ultra-transparent fine knee socks 12 den appearance Unique naturalness Sensitive top cuffs and unreinforced toes The ultra-transparent knee-highs are suitable for every skin type. Like make-up on the skin - gives your legs a unique natural look. Soft and shapely with an extra soft cuff. 12 den appearance. Maximum comfort thanks to the perfect Falke fit.

CHF 10.00 *
Yellow, striped children's ski socks; colorful horizontal stripes on top, grey reinforcement on foot and heel.

Average rating of 4 out of 5 stars

Falke SK2 Stripes children's skiing knee socks

Our all-rounder ski sock, the SK2, is ideal for every winter sports-loving child and teen and ensures high protection and balanced boot contact with its medium-thickness padding. The rapid heat and moisture transport as well as the optimum fit guarantee a high level of comfort and a stress-free day of skiing. The all-rounder ski sock with medium padding for high protection Merino wool mix for high thermal insulation Fast moisture wicking thanks to three-layer construction Balanced comfort and boot contact Optimum fit thanks to right and left padding and toe box Material 45% polypropylene, 20% wool, 20% polyacrylic, 15% polyamide

CHF 22.00 *
Blue Therm-ic Ski Warm Junior sock with petrol-colored details.
Therm-ic Ski Warm Junior Blue/Petrol

The Ski Warm Junior ski socks for children are both comfortable and breathable. Their special construction ensures efficient moisture wicking and optimum comfort in the specific foot areas of the shin, calf and back of the foot. Thanks to the special Moisture-Vent Technology construction in the area of the arch of the foot, these ski socks are excellent at wicking away moisture that develops under the foot. Macro channels incorporated around the foot also channel moisture out of the ski boot to optimize the foot's breathability. Softness and warmth Moisture-wicking macro channels Protective areas Technical fibers: quick-drying Anatomical construction

CHF 19.00 *

Similar Items

Discount
Black USB charger with two connections for Lenz heating sock batteries.

Average rating of 4 out of 5 stars

Lenz USB Charger heating socks

With the compact Lenz USB Charger you can easily charge your RCB batteries for heated socks via a USB port. This means you are independent of a power socket and can charge your batteries on the go or in the car. Lenz USB Charger advantages Suitable for all Lenz RCB batteries Charging via USB without 220V adapter Ideal for on the go or when traveling Small, light and practical to use FAQ about the Lenz USB Charger Can I use the charger with any power bank? Yes, as long as the power bank has a standard USB output, you can charge your Lenz batteries with it. Is a 220V adapter included in the scope of delivery? No, this charger is specially designed for USB connections and is supplied without a mains adapter. Which batteries are compatible? All Lenz RCB batteries can be charged with this USB charger.

CHF 39.00 * CHF 49.00 20.41% saved

Accessory Items

Discount
Black Lenz extension cable, with plugs and sockets for battery packs, on a white background.

Average rating of 2 out of 5 stars

Lenz extension cable 120 cm

This extension cord 120cm allows the battery packs to be carried at hip height (e.g. belt, trouser pocket, etc.) Scope of delivery 1 pair of 120cm cables

CHF 21.50 * CHF 24.50 12.24% saved
Discount
Black USB charger with two connections for Lenz heating sock batteries.

Average rating of 4 out of 5 stars

Lenz USB Charger heating socks

With the compact Lenz USB Charger you can easily charge your RCB batteries for heated socks via a USB port. This means you are independent of a power socket and can charge your batteries on the go or in the car. Lenz USB Charger advantages Suitable for all Lenz RCB batteries Charging via USB without 220V adapter Ideal for on the go or when traveling Small, light and practical to use FAQ about the Lenz USB Charger Can I use the charger with any power bank? Yes, as long as the power bank has a standard USB output, you can charge your Lenz batteries with it. Is a 220V adapter included in the scope of delivery? No, this charger is specially designed for USB connections and is supplied without a mains adapter. Which batteries are compatible? All Lenz RCB batteries can be charged with this USB charger.

CHF 39.00 * CHF 49.00 20.41% saved
Discount
Bottle of Safety Wash-In for sportswear, white bottle with blue lid and inscription.
Safety Wash-In 250ml

The HEY SPORT® Safety Wash-In 250 ml is the reliable solution against bacteria, germs and unpleasant odors in sportswear. It works even with cold wash and ensures hygienic freshness - perfect for all textiles that frequently come into contact with sweat. Hygienic freshness for all sports textiles Whether jerseys, functional underwear or team clothing - sweat bacteria penetrate deep into the fibers. Even at 60 °C they are often not completely eliminated. HEY SPORT® Safety Wash-In removes germs and odors even at low temperatures and ensures long-lasting freshness. Also ideal for hand washing. Advantages at a glance Effective at any temperature: Removes bacteria and germs even in cold washes Odor killer: neutralizes stubborn perspiration odours sustainably Hygienic cleanliness: Ideal for team clothing and synthetic fibers Long-lasting deodorizing effect: protects against new odors when worn Gentle & effective: also suitable for sensitive functional fabrics How to use Depending on the amount of laundry 25-50 ml into the fabric softener compartment. Can be combined with conventional detergents. Also suitable for hand washing Add 20 ml to 10 liters of water, leave to act briefly, then rinse and dry. No additional hygiene detergent necessary. Tip Ideal for heavily used sports textiles, team jerseys, underwear or socks. Regular use permanently prevents the development of unpleasant odors. FAQ Can I combine the product with normal detergent? Yes, Safety Wash-In can be added to the fabric softener compartment in addition to the detergent. Does the product also work with hand washing? Yes, it is fully effective even in cold water in the hand wash. Is it suitable for functional clothing with a membrane? Yes, it is particularly gentle and does not damage breathable membranes such as Gore-Tex® or Sympatex®. How often should I use Safety Wash-In? For heavily used clothing after every wash, for light use every 2-3 washes.

CHF 13.50 * CHF 14.90 9.4% saved
Discount
Black Lenz extension cable, with plugs and sockets for battery packs, on a white background.
Lenz extension cable 80 cm

This extension cord 80cm allows the battery packs to be worn at hip height (e.g. belt, trouser pocket, etc.) Scope of delivery 1 pair of 80cm cables

CHF 21.50 * CHF 24.50 12.24% saved
Discount
Product packaging of Lenz rcb 1400 Lithium Pack, showing two black Body Heat System batteries. The box is black and red.
Lenz Lithium Pack rcB 1400

The Lenz Lithium Pack rcB 1400 (USB-C) BT Smart are compact and lightweight rechargeable batteries for all Lenz Body Heat System products. They provide up to 20 hours of reliable heat and can be flexibly controlled via the battery itself or the free Lenz Heat app. Weighing just 95 g and with a practical charging cradle, they are ideal for sport, work and leisure. Highlights of the Lenz Lithium Pack rcB 1400 Up to 20 hours of heat at the touch of a button Compatible with all Lenz Heat Socks, Heat Gloves, Heat Vests, Heat Jacket and Heat Pants Control: directly on the battery (3 levels) or infinitely variable via the Lenz Heat app (Bluetooth) Lightweight, compact design: only 95 g, dimensions 8.5 × 5.5 × 1.5 cm Quick-charge function and storage mode via USB-C charging cradle Compatible with chargers from rcB 1200, rcB 1800, rcB 2000 and Heat Pack Temperature protection ensures safe charging Package contents 1 pair of Lenz Lithium Packs rcB 1400 (rechargeable) 1 charging cradle for 2 batteries 1 USB-C to USB-A charging cable 2 contact protectors 3 pairs of colored rubber bands Free Heat App (Apple App Store & Google Play) Warnings & safety information FAQ about the Lenz Lithium Pack rcB 1400 Which products are the batteries compatible with? They are compatible with all heatable products in the Lenz Body Heat System - from socks to jackets. How long do the batteries keep you warm? The batteries provide heat for up to 20 hours, depending on the heating level and outside temperature. How can I regulate the heat? Directly on the battery in 3 levels or continuously via the Lenz Heat app via Bluetooth. How does storage mode work? In storage mode, the batteries are automatically charged to approx. 50 % and thus optimally prepared for longer storage times.

CHF 159.00 * CHF 199.90 20.46% saved
Black Lenz RCB 2000 battery charger with two charging slots and corresponding USB cables.
Lenz Charge Box incl. USB cord

The Lenz Charge Box is the practical charging unit for your Lenz lithium smart batteries. It is ideal as a replacement or additional charging box so that your batteries are always ready for use. Thanks to the compact design and the included USB cable you can use the box flexibly at home, on the go or in a hotel. Advantages of the Lenz Charge Box Suitable for all new Lenz Lithium Smart batteries Includes USB charging cable for easy charging Compact design - also ideal as a replacement charger Safe and reliable charging Perfect for traveling or as an additional charging box Package contents 1 × Lenz Charge Box 1 × USB charging cable FAQ about the Lenz Charge Box Which batteries is the Charge Box suitable for? The Charge Box has been specially developed for the new Lenz Lithium Smart batteries. Is a mains adapter included in the scope of delivery? No, only the charge box with USB cable is included. You can use any commercially available USB power supply unit. Can I use the Charge Box on the go? Yes, the box can be used flexibly with a USB port or a power bank.

CHF 24.90 *