[NAVY Double]
[NAVY Mummy wth Hood]
[NAVY Traveller]
The expander liner is made of premium stretch knit poly-cotton that stretches and warms better than standard woven cotton liners. Antimicrobial treatment preserves the life of microorganisms. Greater odor can extend the life of your liner or sleeping bag. It will not wash off the liner and does not use nano-sized particles.