Khyam's Classic/Excelsior Annexe SPS Groundsheet is a great added extra for your Khyam Classic Annexe for added protection against the typical camping weather!
Not only does this SPS Groundsheet protection against the elements, but it also ensures there's no penetration of stones, sharp objects or hard ground.
The use of this groundsheet means that you will be able to protect the inner tent groundsheet from sharp objects.
This groundsheet is fully waterproof and features webbing loops so you can peg it easily to the ground. Once secured, you would tent pitch your Annexe over the top of it.