Thermal Insole for Extreme Cold Climate

( Patent Published vide application No 202011003190 )

This insole is for use in extremely cold climates as an insert for shoes of any type and size. The insole is intended to provide comfort up to a temperature of minus 25 C as experienced in high-altitude areas of India. The user of this insole will be able to carry out all daily activities like walking, climbing, mountaineering, skiing, etc, without discomfort.

The insole is molded to have the shape of a shoe and does not fold back/cause bunching while removing the shoe or during walking and does not have any wrinkles or folds.

Advantages

• Improves the efficiency of troops operating in extremely cold climate.
• Does not require any external input to maintain the body temperature, use bodies own temperature to maintain warmth

The Insole is as per specification published by DGQA and consists of the following layers :

• Layer 1 - To provide comfort, warmth and having anti perspiration properties.
• Layer 2 - To provide cushion and increase comfort.
• Layer 3 - To provide additional warmth and comfort.
• Layer 4 - Heat Shield consisting of a reflective film to trap heat within upper
• Layer 5 - To provide a medium to join these layers together by process of lamination with water resistance properties.