Sea to summit Reactor Midweight bed sheet

Boost your sleeping bag´s warmth by up to 11°C/20°F with the Sea to Summit Reactor Midweight Liner. This versatile liner adds significant thermal performance, turning 3-season bags into 4-season companions. Crafted from soft, stretchy fabric, it moves with you for unrestricted sleep and also functions as a standalone sheet in warmer weather. Protecting your sleeping bag from dirt and oils, it extends its lifespan and reduces washing. Its anatomical mummy shape with a box foot ensures a perfect fit, and the drawcord hood adds extra warmth. Lightweight and highly packable, it´s essential for campers, backpackers, and travelers seeking enhanced comfort and extended adventures