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Lenz Heat Socks 5.1 Toe Cap Regular Fit (Socks Only)

Lenz Heat Socks 5.1 Toe Cap Regular Fit (Socks Only)

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Never freeze again with patented Toe Cap technology. The flat, sewn-in heating element is not bulky and provides all-round warmth for the toes - for up to 14 hours.

The fit in the calf area is ideal thanks to the increased elasticity. The socks are thus also perfectly suitable for stronger calves and thanks to the comfort cuff nothing slips. The knee-high heat sock 5.1 toe cap has an integrated shin protector and protectors in the toe and heel area. Thanks to the ring bandage, the socks do not slip on the foot.

The sophisticated material mix of merino wool, silk and functional fibers dries quickly and efficiently wicks away moisture.

The rechargeable lithium pack can be attached to the sock cuff with snaps. The heat socks are compatible with all lithium packs of the Lenz Body Heat System.

The temperature can be conveniently controlled on your smartphone with the free Lenz heat app or directly on the lithium pack.


  • Improved elasticity in the calf area
  • Toe Cap technology - all-round warmth for the toes
  • The flat, sewn-in heating element is not bulky
  • Anatomically knitted for optimal fit
  • Ring bandage guarantees stabilisation in the ankle and forefoot area
  • Integrated protectors on shin, toe and heel as well as ring bandage
  • Material mix of merino wool, functional fibres and silk
  • Machine washable at 30 degrees
  • The lithium pack can be attached via press studs on the sock cuff
  • Suitable for all Lenz lithium packs


  • 30% polyester
  • 25% wool (merino)
  • 20% polyamide
  • 15% polyacrylic
  • 5% silk
  • 5% spandex

Package Contents:

  • 1 pair Lenz heat sock 5.1 toe cap
  • 1 laundry bag

High flyers need great support!

Lenz functional clothing has been complying with the highest demands in the worlds of sport, work and leisure since 1987. In addition to optimum wearability, the best fit and the most up-to-date fibre compositions, Lenz functional clothing also stands for the patented S.E.P. System. In order to maintain the consistently high quality of the products, all textiles are developed and produced in Europe.



"Whoever aims high, who needs strong support." Under this motto we support Austrian Olympic team and thus make our contribution to a successful performance at the Olympic Summer and Winter Games.

The athletes of the Summer Games are running and compression socks to provided. The winter athletes will be equipped with functional underwear, ski, compression and Heizsocken, thus are "cold feet" excluded in advance.

Product Reviews

Review Summary
5 Reviews
80% (4)
20% (1)
0% (0)
0% (0)
0% (0)
100% Recommend this product (5 of 5 responses)
By Kass
Eliot Maine
Lenz heat socks
January 30, 2024
Best heating socks ever. Toe cap makes all the difference. I wear mine in leather boots, outside on the farm for more than 10 hours. The only drawback is that the big toe area on each sock wears through; even with short trimmed nails!
By Gary H.
Northern Vermont
Excellent. Service
December 1, 2023
Received my socks in a timely manner. This is the third pair of socks I bought. I teach skiing and need to keep my feet warm
By Jacob
Best heated socks on the market.
November 2, 2023
I've warn Lenz heated socks for four archery seasons so I bought my dad a pair. I've tried cheap socks, medium priced socks, chemical heat pads, and heated insoles. Nothing comes close to Lens heated socks. They are Bluetooth controlled so you can wait to turn them on once you're in your stand. No more sweaty feet hiking to your stand and then they get cold.
These socks are made of wool and silk so they are even warm and moisture wicking when they aren't on. They aren't real thick or itchy so my feet are very comfortable. I'm fifty and my dad is 76.
  • Bluetooth controlled
  • Moisture wicking wool and silk construction
  • Great battery life
  • Three temperature settings (I use the lowest setting.)
  • They don't slide down while hiking in or out.
  • They come with a wash bag and instructions
  • They are warm even when off
  • They come with chargers and chords
  • Lenz sends out emails every spring and fall to remind you about battery care and charging.
  • Socks are labeled left and right foot
  • Wires are very slim
  • No holes or wear after 4 whitetail archery seasons
  • Great for hunting, ice fishing, football games, camping, etc.
  • Pricey, but worth it.
By Aaron E.
Bethlehem , NH
Sock are awesome
April 11, 2023
These sock are a spare pair.
I like the L and R for orientation.
My original pair are still in service after 5 years of patrolling.
By Silver D.
Awesome socks!
April 8, 2023
These are far superior to the previous model!
I will be purchasing more of them.