The Reactor Midweight enhances your sleep system with advanced ThermoliteA(R) Pro fabric. Infrared-absorbing ceramic pigments and hollow-core fibres trap body heat, adding up to 6AdegC|11AdegF 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 odour control and helps extend your sleeping bag&&';;s lifespan by reducing wash frequency Boosts Sleep System Warmth - ThermoliteA(R) Pro uses Far Infrared technology and hollow-core fibres 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 Highlights Best UseBackpacking, Cycle touring, Paddle touring Length76in | 193cm Packed Weight12.9 oz | 365 g Packed Size7 x; 5 x; 5 in | 19 x; 11.5 x; 11.5 cm Best UseBackpacking, Cycle touring, Paddle touring Length78in | 198cm Packed Weight13.1 oz | 370 g Packed Size7 x; 5 x; 5 in | 19 x; 11.5 x; 11.5 cm