Optimized for minimal weight and maximum warmth, the Reactor Lightweight enhances sleep system performance with advanced Thermolite® Pro fabric, which uses infrared-absorbing ceramic pigments and hollow-core fibers to trap body heat.
Key Features
- ✅ Adding up to 4°C|7°F of warmth with minimal bulk, it’s ideal for ultralight expeditions.
- ✅ Stretch-knit fabric and articulated arm openings ensure unrestricted mobility.
- ✅ Treated with HeiQ Fresh odor control, it’s quick-drying, machine washable, and helps prolong your sleeping bag’s lifespan by reducing wash frequency.
- ✅ Lightweight and insulative, Thermolite® Pro technology with hollow-core fibers and infrared-absorbing pigments enhances warmth with minimal pack size
- ✅ Freedom to Move – Stretch-knit and shaped arm openings allow unrestricted movement, providing natural comfort throughout your sleep
Technical Specifications
| Brand |
Sea to Summit |
| Equipment Type |
Sleeping Bags & Quilts |
| Available SKU |
053201, 053202, 053203 |
| Size |
Short, Regular, Long |
