Sea to summit Reactor Fleeceweight bed sheet

Transform your sleep with the SEA TO SUMMIT Reactor Fleeceweight Bed Sheet, the warmest liner in the series. This plush fleece elevates your sleeping bag to a four-season system, adding up to 18°C of warmth. Perfect for cold sleepers and winter adventurers, it also functions as a standalone bag in warmer climates or luxurious hostel sheets. Its moisture-wicking, incredibly soft fabric boosts comfort while keeping your sleeping bag clean. Featuring an ergonomic mummy shape, contoured hood, and 3D footbox, it ensures maximum thermal efficiency and trail comfort