M-Tac Thermal T-Shirt Ultra Vent (Set of 3) Sitting Mats The top fabric is not

The top fabric is not only moisture-deflecting but also dirt-deflecting as well

The practical and capacious organizer from the M-Tac brand fits perfectly in a hiking backpack

Easy slide-seal top opening seals watertight and provides wide access for easy filling and cleaning

4" (85 mm)

M-Tac Thermal T-Shirt Ultra Vent (Set of 3) Sitting Mats The top fabric is notThe M Tac Ultra Vent Short Sleeve Thermal T shirt is made from lightweight breathable fabric. It is designed to capture a thin layer of warm air (evaporation) and pass it over to the outer layer. It provides maximum comfort and freedom of movement. It is soft and comfortable, with lightweight and high breathability properties. The great addition to a casual outfit, military clothing, and uniform, uniform for police and other law enforcement officials.