These Sock Liners are from California Heat, a company you have come to know & trust.

Our heated Sock Liners are designed to be worn over a very thin sock, providing a comfortable fit while wearing your favorite footwear. With heating elements starting at your ankle then wrapping around your toes and under your foot, your tootsies are guaranteed to stay toasty.

  • The socks begin warming your feet within seconds using a compact, rechargeable 7V lithium-ion battery. The advanced heating technology allows you to maintain a constant level of thermal comfort and protection while enjoying your favorite outdoor activities.
  • Constructed of thin, lightweight Lycra Spandex- Moisture-wicking
  • Features a wide elastic band with a Velcro strap for an adjustable, comfortable fit around your calves
  • Heating elements are located at the top of your foot then wrap around your toes and under your foot
  • Includes a y-harness to run up your legs and connect to 7V batteries
  • Two batteries combined last 2-8 hours (depending on setting)  •  Max Heat 135° F

Package Includes Everything Needed For Operation

  • Dual Wall Charger
  • (60”) Y-Harness
  • (2) 7.4V / 3500mAh Rechargeable Lithium-Ion Batteries

Available in sizes Small-2XL


Small 6-7.5
Medium 8-9.5
Large 10-11.5
XL 12-13.5
2XL 14-15

Extra Small 5-6.5
Small 7-8.5
Medium 9-10.5
Large 11-12.5

Lifetime Warranty on the Finewire™ Heating Elements & Plugs

Finewire™ heating elements are composed of interwoven, highly conductive microfibers that have a heavy-duty coating applied. This superior craftsmanship creates an extremely durable product that heats up quickly, ensuring comfortable warmth during any cold weather activity.

WARNING:  All heated clothing must be operated using the recommended 7V batteries and accessories. Failure to do so will result in unregulated, high temperature output that could cause skin burns.