Therm-A-Rest Original Z-Lite Sleeping Pad

The sleeping pad that needs no introduction. The Z-Lite has been a backcountry staple for decades because closed-cell foam is essentially indestructible, always ready, and never needs inflation. Sometimes the simplest solution is the right one.

Highlights

• Proprietary dual-density closed-cell foam — Softer foam on top for comfort, denser foam on the bottom for durability and abrasion resistance. A material detail that makes the Z-Lite more comfortable and longer lasting than a uniform foam pad.
• Heat-trapping dimple pattern — The molded dimple system creates air pockets that trap warmth and contribute to the pad's 1.7 R-value. More thermal efficiency than a flat foam pad of the same weight and thickness.
• Virtually indestructible — No valves, no air chambers, no puncture risk. The Z-Lite works on day one and works the same way ten years later. A reliability argument that no air pad can match.
• Accordion fold design — Unfolds into a full sleeping pad, folds down into a seat, or collapses small enough to strap to the outside of a pack. The format that makes the Z-Lite as useful at the trailhead as it is at camp.
• 1.7 R-value as a standalone or layering pad — Usable on its own for three-season conditions and pairs with an air pad in winter to add insulation and puncture protection simultaneously. One pad that serves multiple roles in your sleep system.

Best for

Thru-hikers, ultralight backpackers, and mountaineers who want a bulletproof, zero-maintenance sleep solution that straps to the outside of a pack and is ready the moment you need it. A strong standalone choice for warm weather camping and an essential layering pad for winter and alpine objectives.