The adventure 25 s self inflating mattress from multimat is a lightweight durable and compact mattress that is ideal for backpacking and camping adventures the adventure self inflating range features a 75d rip stop polyester upper fabric for reliable durability and the easy valve can be locked while adding air by mouth so that you can top up the air by mouth for extra firmness as required this adventure 25 s is the shorter version of mat at just 1190mm long making it ideal for kids or keeping yo