External groundsheet for the Trimm VISION tent provides better protection against moisture and cold even in the hallway. The main purpose of the footprint is to protect the floor from punctures or tears. Thanks to its mechanical resistance, it significantly increases the life of the tent floor, especially when used in difficult conditions and uneven terrain.External groundsheet for the Trimm VISION tent provides better protection against moisture and cold even in the hallway. The main purpose of the footprint is to protect the floor from punctures or tears. Thanks to its mechanical resistance, it significantly increases the life of the tent floor, especially when used in difficult conditions and uneven terrain.