Therm-a-rest's lightest, most compact closed-cell mattress is now warmer than ever: a new, aluminized surface reflects heat, increasing overall warmth by nearly 20%. The proprietary foams are softer on top for extra comfort and denser on the bottom for extra durability. Wherever you’re headed, the Z Lite Sol mattress is the right choice for ultralight, warmth, durability and comfort.

• Advanced Warmth: Thermal reflective barrier sends heat back to your body, increasing warmth.
• Compact Design: Folding design is compact and easy to pack.
• Extra Durable: Virtually indestructible closed-cell foam provides lasting, economical comfort.