The Reactor Midweight enhances your sleep system with advanced Thermolite® Pro fabric. Infrared-absorbing ceramic pigments and hollow-core fibers trap body heat, adding up to 6°C|11°F to a sleep system with minimal bulk. Stretch-knit fabric and arm openings allow unrestricted sleep, making it a great fit for any shape sleeping bag. Quick-drying and easy to clean, it features HeiQ Fresh odor control and helps extend your sleeping bag’s lifespan by reducing wash frequency.

Features:
Boosts Sleep System Warmth – Thermolite® Pro uses Far Infrared technology and hollow-core fibers to trap and reflect body heat without extra bulk
Freedom to Move – Stretch-knit and shaped arm openings allow unrestricted movement, providing natural comfort throughout your sleep
Technical Shape and Hood – Ergonomic design with a fitted hood delivers optimal warmth and comfort without extra weight or bulk
Stay Fresh Longer – HeiQ Fresh odor control technology keeps the liner fresh after extended use
Sleep System Integration – Snap connectors at the shoulders easily pair with Sea to Summit sleeping bags for quick, hassle-free entry and exit
Easy to Keep Clean – Machine washable construction simplifies care and reduces wear on your sleeping bag over time
Lower Impact Materials – Crafted with certified recycled fibers and bluesign APPROVED materials to minimize environmental impact

Specifications:
Materials: 100% Post-Consumer Recycled Polyester; Stuff Sack: 100% Polyester
Weight (S/R/L): 330g/350g/365g
Size (S/R/L): 178cm/193cm/206cm x 80cm
Packed Size (S/R/L): 19 x 11.5 x 11.5 cm