Sea To Summit

Sea To Summit Adaptor Coolmax Liner

$45 $56

Sea To Summit Adaptor Coolmax Liner

The COOLMAX® Adaptor Liner is a top-notch product in Sea to Summit's lineup, delivering a plush feel and extra warmth when needed, plus moisture-wicking abilities that render a more restful sleep in hot and humid climates.

Sea To Summit Adaptor Coolmax Liner Features

  • Adapts to varied temperatures and humidity
  • Machine washable
  • Quick drying
  • Wicks moisture away from your body, keeping you dry
  • Regulates your body temperature to enhance sleep comfort
  • Keeps sleeping bag clean
  • Comfortable stretchy fabric
  • Original mummy shape with box foot
  • Versatile when used by itself or as part of a layered sleep system
  • Contrasting colour along top edge makes it easier to find the opening
  • Available in both a standard (Mummy) and YHA version (Traveller)


Mummy Traveller
DIMENSIONS 208 x 90 cm 226 x 92 cm
PACKED SIZE 15 x 11.5 cm 16 x 12.5 cm
WEIGHT 248 g 328 g

Customer Reviews

Based on 1 review
Nicole Connellan
Great liner

This liner fits perfectly in my bag also purchased from Past Outdoors, I’m a warm sleeper so I was looking more for something for cleanliness than warmth and this was perfect.

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