Thermal Underwear
Base insulation layer for cold weather
The Cosmo Tactix thermal underwear is designed for operational and military use as a thermal insulation solution for the lower body in cold conditions. Made from breathable and flexible thermal fabric, it fits comfortably against the body and helps maintain internal body heat during sleeping, patrol, or sustained physical activity. Additionally, it serves civilians staying in cold areas or unheated structures as part of durable field-ready base clothing.
Technical Specifications
- 100% Cotton, Interlock knit
- For maximum comfort and rapid moisture wicking, pleasant to touch and easy to clean
Functional Features:
- Thermal base layer for legs – protection against cold
- Retains body heat and wicks away sweat
- Flat seams to prevent chafing
- Long cut with elastic waist for comfortable fit
- Quick-drying – suitable for repeated field washing
Recommended Uses
- Soldiers, police officers, patrol units, and field personnel
- Operational activity, security, or maintenance in cold terrain
- Base layer for sleeping in cold conditions or winter hiking
Available in All Standard Sizes. Custom Color Specifications Available Upon Request.


