The ASOUT Envelope Sleeping Bag is a lightweight and breathable single-person sleeping bag suitable for 4 seasons. With a temperature rating of 35 °F, this rectangular-shaped sleeping bag features synthetic insulation and a polyester lining for comfort. The dark gray color and durable nylon shell make it perfect for camping and outdoor adventures. Easy to care for with machine wash instructions, this sleeping bag is a reliable choice for unisex adults looking for a cozy and functional option for their outdoor excursions.