From backpack + -able. <span class="searchmatch">backpackable</span> (not comparable) Capable of being carried in a backpack. 1982, Yvonne Prater, Ruth Mendenhall, Gorp, glop and glue...
and backpacked my things which contained [sic] food and a note book. <span class="searchmatch">backpackable</span> backpacker backpacking (noun) packing to hike and camp overnight in backcountry...