Space-budget calculator

Will the sleep system fit where it has to travel?

Soft gear squishes. It does not disappear. Reserve room for food, water, layers, wet gear, and the ugly repack on the last morning.

Trip-plan result

Pack the whole sleep system

Count the bag, pad, pillow, liner, extras, and some space you do not plan to fill.

Measure the packed version you can repeat

A heroic showroom compression is useless if you cannot reproduce it with cold hands or if leaving insulation crushed for storage damages the gear.

Packability context: REI's sleeping-pad guide discusses packed size alongside warmth, width, length, and repair needs. Use the measured packed form for the exact gear.