Sea to summit Reactor sleeping bag

Boost your sleep system´s warmth and versatility with the Sea to Summit Reactor sleeping bag liner. This ultralight, mummy-shaped liner uses Thermolite® Pro and EcoMad technology to significantly enhance your sleeping bag´s thermal performance, letting you camp in colder conditions. It also doubles as a standalone bag for warmer nights or hostels. HeiQ Fresh odor control keeps things clean, and machine washability preserves your main bag. Compact and easy to pack, it´s the essential upgrade for any adventurer