Mountain Hardwear Men's Optic 3.5 Footprint Tent Nylon Imported Custom ground cloths, called tent footprints, are available for most Mountain Hardwear tents The Optic 3 5 Footprint is a waterproof footprint that protects the tent floor from damage and prolongs tent life by adding a layer between the tent floor and the ground Grommet tabs attach to tent pole ends Imported