The K-Way Otter Eco Sleeping Bag is made from ripstop nylon, ensuring durability against the elements and providing you with a reliable shield during your outdoor slumber. It is insulated with recycled Repreve microfiber, promoting sustainability. The sleeping bag weighs only 1.05kg and has a 2-degree temperature rating, keeping you warm without compromising on warmth. The mummy shape enhances thermal efficiency, hugging your body for optimal heat retention.