A lightweight, warmth‑boosting sleeping bag liner made from Reactor hollow‑core Thermolite fabric.
Designed to increase your sleeping bag’s thermal performance while remaining breathable and stretchy.
Ideal for backpackers seeking extra warmth, improved hygiene and compact packability.

Features

• Reactor Thermolite hollow‑core fibres provide excellent warmth‑to‑weight
• Soft, stretchy knit fabric enhances comfort and allows natural movement
• Boosts warmth inside any sleeping bag and reduces the need for frequent washing
• Moisture‑managing fabric maintains comfort in varying climates
• Compact, lightweight and quick‑drying for multi‑day use
• Includes a lightweight stuff sack for organised packing