Stable support for better pressure distribution. High-quality heating elements to maintain optimal foot temperature. Externally positioned cable allows for perfect implementation in any footwear.

• Remove the old sole from the shoe
• Cut the HEAT3D to the desired size at the marked places. Be careful not to cut the power cord and heating element in the area under the forefoot.
• Place the HEAT 3D insole in the shoe
• Run the power cord up the heel along the calf
• Connect the power cord to the Therm-ic C-PACK batteries