The Snugpak Basecamp Ops Sleeper Extreme is a chunky, warm sleeping bag with Isofibre® insulation for considerable warmth. These cold weather sleeping bags have highly siliconized synthetic fibers for a soft touch and prolonged lifespan. The shell features a water repellent, durable fabric and a specially woven inner lining for moisture-wicking, breathable comfort. This lightweight sleeping bag also comes in a manageable pack size and is ideal for general camping or keeping in your car.