Mountain Hardwear

Lamina Sleeping Bag: -30F Thermal Q

Mountain Hardwear cranked the furnace when they created the expedition-worthy Lamina -30 Sleeping Bag, the warmest synthetic bag that it has on offer. High-loft synthetic insulation provides massive warmth that fights off the bitter cold of deep winter nights, and it won't lose its heat-trapping loft if it gets warm. Still, an external DWR coating helps the shell material resist moisture that's inevitable when you're camping in the snow. Climb inside this sleeping bag and you'll immediately notice that you have more room to move around because Mountain Hardwear's designers shaped this bag with the additional width you need to sleep with extra layers on—now that's thinking.