This footprint groundsheet will fit beneath the Outwell Montana 6 - 2012 (yes, the new Mocca one), the Outwell Montana 6 - 2011 (yes, the Sage Green one) and Outwell Montana Lake (yes, the polycotton one!). It will NOT fit the Outwell Montana 6P. Have you got all that? Good. Let's move on. The concept of footprint groundsheets is a secondary groundsheet that sits between the ground and any tent with a sewn-in groundsheet.
The benefits are that it greatly reduces the chances of the sewn-in groundsheet being punctured by something sharp in/on the ground and it also prevents the sewn-in groundsheet from getting dirty (because then you'd virtually have to wash the whole tent down when you got home). Outwell’s footprint groundsheets are cut to the outline of each of their tents and are made from heavy duty, waterproof polyethylene.