If you own the Mountain Hardwear Habitat 3 Tent, the Habitat 3 Tent Footprint PL is a must have. Protecting the floor of your tent from rocks, sticks, or anything else that might cause damage will prolong the life of your tent and keep you warmer, as a footprint acts as insulation between you and the ground. Mountain Hardwear has designed the Habitat 3 footprint specifically for the Habitat 3 Tent, so you will have a perfect fit. Mountain Hardwear has designed the Habitat 5 footprint specifically for the Habitat 5 Tent, so you will have a perfect fit. Take just the footprint, poles and fly and you have a lighter weight shelter if you need to move fast light.