Warming Sleeping Bag Liner

Adding to cart… The item has been added

There’s nothing worse than waking up shivering in the middle the night. Add extra warmth to your bag and stay cozy all night long with the Slumberjack Warming Sleeping Bag Liner. Heat Retaining Technology does exactly as promised, keeping the heat in while wicking moisture and sweat away so you can be all toasty without getting sweaty. The soft and stretchy fabric protects your bag and helps to keep it clean. An anatomic footbed lets you sleep naturally, and the fabric stretches to move with you. Stuffs into a durable oxford stuff sack with an easy-carry handle when you’re ready to break camp.


  • Product Weight: 1.5 lb / 0.68 kg
  • Dimensions: 80 x 34 in.
  • Fabric: Polyester Jersey 
  • Shape: Semi-Rec



  • Heat retaining technology keeps heat in while wicking away moisture
  • Anatomic footbox allows you to sleep in a natural position
  • Maximize the longevity of your sleeping bag by keeping the interior clean
  • Material is stretchy and soft against your skin
  • Fits into most rectangular sleeping bags
  • Polyester and spandex single-layer fabric

Customer Reviews