Lenz Heat Sock 5.1 Toe Cap® – Slim Fit
Precision warmth for narrow feet and legs.
The Lenz Heat Sock 5.1 Toe Cap® Slim Fit delivers targeted, all-around warmth with its patented Toe Cap® heating element, warming the toes from both above and below for maximum comfort in freezing conditions. Designed specifically for narrow feet and calves, this version offers a closer, more anatomical fit without sacrificing comfort or circulation.
A Merino-Silk blend keeps the socks soft, breathable, and quick-drying, while strategically placed shin, toe, and heel padding protects against pressure points. The ring bandage around the instep provides extra stability, ensuring the sock stays put even through long ski tours or back-to-back lift laps.
Compatible with all Lenz Body Heat System lithium packs (sold separately), heat can be adjusted directly on the pack or controlled seamlessly through the Lenz Heat App on your smartphone.
Specifications
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Slim fit cut for narrow men’s and women’s feet and legs
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Patented Toe Cap® heating warms toes from above and below
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Compatible with all Lenz Body Heat System lithium packs
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Ergonomic left/right fit with ring bandage for support
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Reinforced shin, heel, and toe padding for protection
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Merino-Silk blend: breathable, quick-drying, and itch-free
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Material: 50% polyester / 25% polyamide / 15% merino wool / 5% silk / 3% elastane / 2% polypropylene
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Washable at 30 °C (laundry bag included)
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Includes: 1 pair of Heat Sock 5.1 Toe Cap® Slim Fit + 1 laundry bag
Size Chart
Returns and Exchanges
We accept returns on eligible items within 15 days of delivery, provided the product is in like-new condition.
Footwear may be tried indoors only (home or treadmill). All returned items must be unworn beyond fit testing, include original manufacturer packaging and hang tags (fees may apply if damaged) and have been purchased from SkiUphill-RunUphill within the 15-day window. Apparel must be completely unworn.
Final Sale / Non-Returnable Items
All sale items are final sale. The following items are not eligible for return: carbon-plated running shoes, avalanche safety equipment (transceivers, shovels, probes, airbags), climbing equipment (ropes, harnesses, carabiners, belay devices, slings), ski crampons, helmets and gift cards.
Return Process & Fees
International returns are not accepted. A 10% deduction applies to all refunds to cover credit card processing and administrative fees.
For more information on returns and exchanges, click here.