This three season camping mattress has been created for those that need to travel and pack light yet like all of us would still rather have the comfort of our own bed the exped synmat hyperlite 7 medium sleep mat packs down small and is made from a 20 denier fabric for toughness a tapered design shape enables this exped camping mattress to be placed inside even the smallest tent yet still give enough room to sleep comfortably on microfibre insulation gives plenty of warmth during the highe