Therm-a-Rest NeoAir XLite Sleeping Pad New, soft-touch fabrics and baffled internal structure provide unrivaled stability and support Advanced fabrics and a tapered design make this the lightest 3-season backpacking air mattresses available Patent-pending, reflective ThermaCapture technology traps radiant heat Triangular Core Matrix construction minimizes convective heat loss?all without the bulk Low-bulk materials make the XLite mattress the most compact NeoAir mattress ever