The Sea to Summit Reactor Extreme Liner offers a 15% thermal boost, making it an essential addition to your camping gear. Ideal for backpacking and camping in cold conditions.

Features

• Provides a thermal boost of up to 15%
• Made from stretchy Thermolite® Pro fabric
• Utilizes Infrared Technology for increased warmth without added weight
• Lighter and more packable than fleece
• Technical mummy shape with a drawstring hood
• Machine washable, no special soap needed
• HEIQ Fresh bio-based treatment for odor control
• Keeps sleeping bag clean
• Packs into its own Ultra-Sil stuff sack