Technical
1-Layer H-Chamber-Construction The outer shell material is sewn to the upper layer of Polyester fleece. Since this construction can lead to cold spots, we only use it in summer sleeping bag. Treklite 250 SQ, 250 & 300 Outer and inner shells are connected by straight baffles. The rectangular chambers are filled with down, which can expand to fulfil its full loft potential. 2-Layer Shingle-Layer Space II & XL, Orbit -5° Two laywers of insulation are laid on top of each other. The upper layer of insultion is sewn to the outer shell material and the lower layer of insultion to the inside lining. Exosphere +2°, -4° & 8° The layers of insultion are arranged with 3 times overlapping to increase the effective insulation thickness and avoid cold spots. This techniquie enhances sleeping bag performance. Chamber ...
