The Thermolite Reactor Extreme Inlet from Sea To Summit uses the super insulating 110g/m² to seriously increase sleeping bag performance.

The spacious design is slightly tapered from head to foot to reduce weight and increase thermal efficiency, and the drawcord hood can be cinched down for extra warmth when required. This knit fabric also has serious stretch to it, making the Sea To Summit Reactor Extreme the ideal liner for the restless sleeper.

Features:
• Mummy shape with a box foot
• Drawcord hood with mini cord lock
• Contrasting colour along the top edge makes it easier to find the opening
• Packs into its own Ultra-Sil stuff sack
• Brings up to 15 °C extra warmth into the sleeping bag
• Dimensions: 210 x 90 cm

Fabrics:
Liner: 100 % polyester
Storage bag: 100 % polyamide