Therm-a-Rest Women's Trail Pro Mattress (Regular, Moss) High-Loft: 2 in. (5 cm) of self-inflating loft provide deluxe warmth and comfort Patent-Pending Warmth: Our unique, die-cut foams form diagonal air columns to slow heat loss with no increase in weight Pressure-Mapped Comfort: Detailed surface pressure analyses enabled us to adapt mattress density to both high and low pressure areas to provide the most comfort Lasting Quality: Non-slip, ripstop polyester top and reinforced bottom provide durable, reliable comfort Weight: 2 lbs / 910 g