Our synthetic sleeping bag range here at Gear-Zone includes 4 Season cold weather classics like the Mammut Ajungilak Denali, designed for the harshest of climates.
With an extreme temperature low of -49°c, the Denali is a combination of Shelter TX and Endurance TX fabrics, with Body Zone insulation MTI 11 filling for Polar and expedition use. Or there's the Mammut Tyin series and the women's-specific Kira Spring and Winter to choose from too.
From Mountain Hardwear there's the Lamina range, and from Snugpak we've got the Softie Chrysalis with its amazing temperature control we have a 4 Season Synthetic Sleeping Bags for you