For ultralight adventurers who demand warmth without the weight, the Ultrasphere 5 Sleeping Mat sets a new standard. Perfect for bikepacking across rugged mountain ranges, multi-day trail running, or remote thru-hiking, this 3-season mat delivers an unmatched warmth-to-weight ratio. Weighing just 345g and boasting an R-value of 4.9, it keeps you warm through cold nights while remaining featherlight in your pack, making it ideal for ultralight missions.
Its innovative design combines two layers of TILT heat-reflective technology with offset air chambers, to trap heat where you need it most. This clever construction reflects radiant heat back to your body and keeps insulation weight to a minimum, allowing you to recharge comfortably after a long day on the move. Soft, lightweight 20D fabric pairs with a streamlined mummy shape to reduce bulk while enhancing packability.
Pitching camp is effortless thanks to the two-way valve and included inflation sack, letting you set up in moments and relax after a long day on the trail. Combining ultra-lightweight packability, exceptional warmth, and all-round comfort, the Ultrasphere 5 is the ultimate choice for anyone tackling fast-paced exploration in demanding mountain conditions.