Feature

●Dedicated heel to keep your feet warm even in shoes
●Applied with magical underfoot insulation technology to keep your feet cool
●Plenty of duration
●Contents: 3 pairs of bags x 5


Description

Please do not stick directly to the skin.
Please do not use it while sleeping or in a futon.
Please do not use this product during sports.
·Please note that sandals or other shoes that have a tendency to inflate with air may cause high temperatures.

Dedicated heel pads that attach to the entire back of the sock.
Insulation sheet traps heat
Lasts 9 hours firmly.
Low profile black color
Maximum temperature: 108°F (43°C); Average temperature: 98.5°F (37°C).