Thermarest LiteSeat:
Ultralight and compact, the Lite Seat is tailor-made for fast and light adventures. It's self-inflating and rolls up small enough to carry in a pocket or small pocket, so it can be taken anywhere. Very good for adjustable lumbar support while driving.

• Lightweight fabrics and foam
• Compacts to 2.5x6.5in. (6x17cm)
• R-value: 3.2
• Weight: 3.5 oz. (100g)
• Dimensions: 11x15x1.5in. (28x38x3.8cm)