Sea to Summit expander DOUBLE sleeping bag liner

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The Sea to Summit Double Expander traveller liner is a comfortable stretchy knit liner to go inside your bag or instead of a sheet. Just like a favourite t-shirt, this liner will quickly become your favourite sleeping sheet.

The Double Expander traveller liner is made from a premium stretch knit poly-cotton, making it super stretchy and even warmer than a standard cotton weave liner.

The anti-microbial treatment keeps microbial life, thus bad odours, at bay which also helps prolong the life of your liner and sleeping bag; this treatment won't wash out of the liner and does not use nano-sized particles.

This sleeping bag liner is great to use with zipped open sleeping bags or two bags zipped together. 


  • Premium stretch poly-cotton knit fabric that can expand 
  • Luxuriously comfortable to sleep in
  • Extends the life of a sleeping bag by keeping it clean
  • Anti-microbial protection keeps liner fresh, hygienic and odor-free.
  • Double folded and reinforced seams
  • Easy care, machine washable

Brand Sea to Summit
Size 160-200 cm x 185 cm
Material Poly Cotton Knit
Weight 600g