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)
On Sale. Free Shipping. Nemo Alti Storm 4 Footprint DECENT FEATURES of the Nemo Alti Storm 4 Footprint Fabric tarp perfectly sized to fit underneath a Nemo Alti Storm 4 tent Footprint reduces wear and tear on the tent floor from contact with the ground Packs small The SPECS Fabric: 70D abrasion resistant nylon PU coated for waterproofness Includes mesh bag Nemo products cannot be shipped to Japan. Please don't hate us.
NEMO Alti Storm 2P Footprint
NEMO Alti Storm 3P Footprint
NEMO Alti Storm 2P Pawprint
NEMO Alti Storm 3P Pawprint
Hilleberg Kaitum 3 Footprint
MSR Hubba Hubba / NX / HP Footprint
Eureka! Floor Saver Square Medium
$13 - $21
The North Face VE 25 Footprint