GearSleep SystemTherm-a-Rest

Therm-a-Rest NeoAir XTherm NXT

An R-7.3 inflatable pad. Overkill for July, and the reason people sleep through a February field session instead of enduring it.

L1-SLP-02 — Sleeping pad R-value

“A sleeping pad with an R-value of at least 3 for three-season sessions, and at least 5 for winter sessions.”

L1-SLP-02 sets a minimum R-value of 3 for cool-weather sessions and 5 for winter. Ground conduction, not air temperature, is what actually ends a cold night, and it is the single most common gear mistake we see on intake. R-7.3 clears the winter threshold with margin for a student who does not yet know how to site a shelter well.

What it does well

  • R-7.3 exceeds the winter clause with real margin
  • Packs to roughly the size of a water bottle
  • Quieter than earlier NeoAir generations

What to know before you buy

  • Expensive — the most costly single item in the Level 1 kit
  • Puncture risk; carry the repair kit, and know how to use it