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5.1 Slim Fit Heat Sock

2 out of 5 stars
1 Review
Color:One Color


Size Chart


Why We Like The Lenz 5.1 Slim Fit Heat Sock

The Lenz 5.1 Slim Fit Heat Sock keeps our toes warm so that we have one less thing to think about while we ski or snowboard at the resort. These socks combine a low-profile lithium-ion battery with a synthetic blend fabric to keep our toes warm, dry, and ready for another lap.


  • Heated ski and snowboard socks for ice-cold days on hill
  • Synthetic blend wicks moisture and breathes well
  • Lithium Ion battery pumps heat above and below toes (sold separately)
  • Thin design offers a high-performance fit with your boots
  • Item #LENC00E
30% polyester, 25% merino wool, 20% nylon, 15% polyacrylic, 5% silk, 5% spandex
Battery Type
Lithium Pack RCB1200 or RCB1800 (sold separately)
skiing, snowboarding, hiking, camping

Overall Rating

2 based on 1 ratings

Review Summary

1 Stars - 0 reviews
2 Stars - 1 reviews
3 Stars - 0 reviews
4 Stars - 0 reviews
5 Stars - 0 reviews

Fits True To Size

Screen reader users: the following list provides a visual scale to illustrate the product fit. Please refer to the heading above for the fit type in text.
Runs smallTrue to sizeRuns large

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2 out of 5 stars

November 19, 2023

Get the 6.1's!

I returned this product before using it
Size Bought:
5' 7"

I'm not sure what Lenz was thinking when they made this sock and called it "slim fit". The fit is exactly the same as the 6.1 Heat sock - the difference is in the cheaper material (more polyester/less wool). Additionally, the cheaper fabric makes the top of the sock (where the heating element strip is) more lumpy and therefore less comfortable. The Lenz heated sock is a great product - spend the extra $ for the better material in the 6.1

Evan F