This inner tent is supplied with First Arrow X tents produced after October 2018, and is compatible with First Arrow tents produced after October 2014. 20d air-permeable Nylon canopy, 100d polyether polyurethane 8000mm HH coated floor. Wilderness Equipment toggle suspension system. Can be compatible with ‘hook and loop’ suspension type First Arrow tents produced before October 2014 with the inclusion of shock cord to tie to the users existing outer tent.