Lhakpa Gelu Sherpa used his Sleeping Bag Doubler on his historic speed ascent of Everest: 10 hrs. 56 min. Current World Record. More...


The Sweetie Pie* Sleeping Bag Doubler with Polarguard® 3D Insulation is designed to convert your single person mummy bag into an amazingly roomy bag that can sleep two people. It can also be zipped into itself to create a child's bag or bivy. More...