I was considering that backpack to take my inspire on a dirt biking trip in Utah, but I didn't feel comfortable with how much of the craft is exposed (dust, wind, tipping over), so I went with the all enclosed Bestem for X5 in landing mode.
Its on its way and I will be testing it out in the woods of NJ. Ill let you know how it tests in the field, if you like. (no affiliation with either company of course).
i've got one, its super lightweight and comfortable, but its like putting a jigsaw together getting all the gear in, but it can carry 5 batteries and camera and everything you need, bit tricky for an x5(only because the box is so big) but can be done.i'd says its good for an all day long hike, theres no space for anything else except a drinks bottle, i wouldnt take it travelling long distance its too exposed, if you want something more substantial and rugged i recommend a lowepro https://www.amazon.co.uk/Lowepro-Wh...UTF8&qid=1474749120&sr=8-3&keywords=bp+450+aw its expensive but it holds everything x3 and x5 and headplays at same time, straps to hold inspire on, rain cover
yes you can fit two controllers easy, the rain cover just goes over the inspire, its tight but it can be done, theres apocket on the top to hold one controller and tablet, and underneath the inspire in the picture is a massive pocket that i have yet to fill, loads of space.