What Our Gearhead(R) Experts Are Saying:"The Z Lite is my go-to for ultralight trips or when I just want to keep things simple. It's bombproof, never pops, and doubles as a seat during breaks. I even use it under my inflatable pad in winter for extra insulation-it's the most versatile piece of gear I own."Reliable, lightweight, and virtually indestructible, the Therm-a-Rest Original Z Lite Sleeping Pad has earned its spot as a staple for backpackers, thru-hikers, and alpine minimalists. Whether we're using it as a standalone pad for fast-and-light missions or as a protective base layer beneath an inflatable on cold nights, the Z Lite delivers dependable comfort in a compact, accordion-style design. The closed-cell foam construction won't absorb water, packs easily on the outside of our pack, and lays down instantly without any inflation. Its heat-reflective surface helps retain body warmth, adding critical insulation for a high-mountain bivy or shoulder-season treks. From rocky campsites to snow benches, the Z Lite is the kind of gear that just works-every time.