NEMO Alti Storm 4P Footprint
Here's what other sites are saying:
The Alti Storm Footprint is a 70D abrasion resistant nylon fabric tarp perfectly sized to fit underneath your Alti Storm tent. The fabric is PU coated for waterproofness (1,500 mm). The footprint reduces wear and tear on your tent floor from contact with the ground.
NEMO Equipment Inc. Alti Storm 4P Footprint(0x134c781a0)