Ultralight, four-season, self-inflating mattress. The warmest self-inflating mat in Thermarest's range. Heat-trapping diagonal-cut foam contributes to its great packed size while helping to maintain warmth. The women’s version provides added warmth for cold sleepers. Stuff sack included.

Features:
Lighter: ultralight foam reduces weight by nearly 10%
Four-season warmth: thick, patent-pending diagonal-cut foam offers year-round comfort.
Ultra-compact: our foam is exeptionally compressible for easy packing.