When both warmth and low weight are crucial, the award-winning Ultrasphere 4.5 is the ultimate packable, featherlight air mat.Its ground-breaking design includes two layers of heat-reflective TILT, which reduce radiant heat loss, and offset air chambers that trap heat within the construction, allowing you to recharge comfortably without the need for high-volume insulation.Combined with a soft, exceptionally lightweight fabric, the mats weight-saving construction makes it ideal for bikepacking, thru-hiking, and multi-day mountain running.Shop Ultrasphere 4.5 sleep mat?? // https://rab.equipment/ultrasphere-4-5-sleep-mat#WeAreRab #TheMountainPeople

The Rab Ultrasphere 4.5 is an ultralight sleeping mat made for cooler climates. It is warm and packable, weighing only 372g. It has a tapered mummy shape and includes an inflation pump sack. Rab says:Combining TI