JR Gear's Prism series of PrimaLoft sleeping bags are designed for trekking and hiking. The dual grade PrimaLoft on top and bottom (40g/m2) allows for a weight saving measure, yet gives great insulation.

Features:
Ranges from 60g/m2 to 200g/m2 top filling.
Comfortably insulated from 18˚F/-8˚C to 28˚F/-2˚C.
Comfortable 3D contour mummy shape.
Double side zip provides convenience.
Full length zipper provides ventilation.
Special Mat pocket to secure a mat underneath.
Pillow pocket in hood.
Hood with drawcord.
20D nylon fabric
Double collar compression stuff bag included

Specifications:
Temp extreme: -2˚C
Temp limit: 9˚C
Temp comfort: 13˚C
Dimensions: 208cm x 78cm x 50cm
Avg. weight: 520g