Foot Warmer Insoles for Shoe Size 41–45, 20 Pack, 8+ Hour Operating Time

Keep feet warm on cold days with these foot warmer insoles for shoe sizes 41-45. Each thermal insole activates on its own: remove it from the package, shake it gently and it reaches working temperature in approx. 10-15 minutes, then delivers heat for 8+ hours without batteries.

• Activates as soon as it is taken out of the package and gently shaken
• Warms up in approx. 10-15 minutes and runs for 8+ hours
• Holds an average temperature of approx. 45 °C, with a maximum of 55 °C
• Fits shoe sizes 41-45 and slips inside boots and everyday shoes
• Includes 20 heated insoles per pack

Ideal for ice fishing, winter sports, match days and outdoor work, these insoles put steady warmth right where the cold bites first. Because they need no cables or charging, they are always ready in a pocket, glovebox or backpack. With 20 insoles in every pack, you are covered for many cold outings to come. Make them part of your winter kit this season.

• Type: thermal insole for feet
• Activation: heats up when removed from the package and gently shaken
• Heat-up time: approx. 10-15 minutes
• Operating time: 8+ hours
• Maximum temperature: 55 °C
• Average temperature: approx. 45 °C
• Fits shoe sizes: 41-45
• Package contents: 20 heated insoles