Thermarest Trail Pro Self Inflating Sleeping Pad High-Loft : 2 in. (5 cm) of self-inflating loft provide deluxe warmth and comfort. Patent-Pending Warmth : Unique, die-cut foams form diagonal air columns to slow heat loss with no increase in weight. Pressure-Mapped Comfort : Mattress density for 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. Dimensions : 20 x 72 in.