• Cocoon Coolmax MummyLiner

    Cocoon

    Coolmax MummyLiner

    Weighs
    249g
    Weighs:
    249g (ex bag)
    Liner Type:
    Mummy Shape
    Liner Fabric:
    Poly Blend

    A versatile sleep system that can be used by itself or as part of a layered system. The Coolmax fabric speeds moisture to the outer surface. Cocoon says:  High performance liner that wicks moisture away from your body and keeps you dry and...

    £39.99
    RRP: £39.99
  • Sea to Summit Reactor Sleeping Bag Liner - Mummy w/ Drawcord Sea to Summit Reactor Sleeping Bag Liner - Mummy w/ Drawcord

    Sea to Summit

    Reactor Sleeping Bag Liner - Mummy w/ Drawcord

    Weighs
    255g
    Weighs:
    255g (Compact)
    Liner Type:
    Mummy Shape
    Liner Fabric:
    Poly Blend
    Liner Treatments:
    Odour Control

    The Sea to Summit Reactor Sleeping Bag Liner is a lightweight, mummy-shaped liner that adds warmth and hygiene to your sleep system without adding bulk. Sea to Summit says:  With a mummy shape and Thermolite® Pro fabric, the Reactor Liner u…

    From: £47.99
    RRP: £59.99 | Save: £12.00
  • 2025 Tracer Sleeping Bag Liner 2025 Tracer Sleeping Bag Liner

    Nemo

    Tracer Sleeping Bag Liner

    Weighs
    258g
    Weighs:
    258g (Regular)
    Liner Type:
    Mummy Shape
    Liner Fabric:
    Poly Blend
    Liner Treatments:
    Odour Control

    A lightweight, packable liner that balances comfort, warmth and sustainability for all-season versatility. Nemo says:  Our newest accessory, the Tracer sleeping bag liner, is incredibly soft and patterned to match our Classic Spoon® shape...

    From: £64.99
    RRP: £69.99 | Save: £5.00
  • Sea to Summit Breeze Sleeping Bag Liner - Mummy w/ Drawcord Sea to Summit Breeze Sleeping Bag Liner - Mummy w/ Drawcord

    Sea to Summit

    Breeze Sleeping Bag Liner - Mummy w/ Drawcord

    Weighs
    261g
    Weighs:
    261g (ex bag)
    Liner Type:
    Mummy Shape
    Liner Fabric:
    Poly Blend
    Liner Treatments:
    Odour Control

    The Sea to Summit Breeze Sleeping Bag Liner offers campers a lightweight and versatile solution. The Coolmax® Poly Blend fabric regulates temperature, wicks moisture, and is eco-friendly. Sea to Summit says:  The Breeze Liner with Coolmax&r…

    From: £44.99
    RRP: £49.99 | Save: £5.00
  • Sea to Summit Reactor Sleeping Bag Liner - Mummy Sea to Summit Reactor Sleeping Bag Liner - Mummy

    Sea to Summit

    Reactor Sleeping Bag Liner - Mummy

    Weighs
    264g
    Weighs:
    264g
    Liner Type:
    Mummy Shape
    Liner Fabric:
    Poly Blend
    Liner Treatments:
    Odour Control

    Sea to Summit Reactor Sleeping Bag Liners provides extra warmth and versatility in cold conditions. Made from Thermolite® Pro fabric, they increase insulation and comfort. The mummy shape and stretch fabric ensure a snug fit. Sea to Summit...

    £43.99
    RRP: £54.99 | Save: £11.00
  • Sea to Summit Reactor Extreme Sleeping Bag Liner - Mummy w/ Drawcord Sea to Summit Reactor Extreme Sleeping Bag Liner - Mummy w/ Drawcord

    Sea to Summit

    Reactor Extreme Sleeping Bag Liner - Mummy w/ Drawcord

    Weighs
    348g
    Weighs:
    348g (Compact)
    Liner Type:
    Mummy Shape
    Liner Fabric:
    Poly Blend
    Liner Treatments:
    Odour Control

    Sea to Summit Reactor Extreme is a warm sleeping bag liner. It insulates well, packs small, and is breathable. The warmth-to-weight ratio is excellent. Sea to Summit says:  The THERMOLITE®Pro Reactor Extreme liner is Sea to Summit’s...

    From: £59.99
    RRP: £64.99 | Save: £5.00
  • 2025 Tracer Blaze Sleeping Bag Liner 2025 Tracer Blaze Sleeping Bag Liner

    Nemo

    Tracer Blaze Sleeping Bag Liner

    Weighs
    351g
    Weighs:
    351g (Regular)
    Liner Type:
    Mummy Shape
    Liner Fabric:
    Poly Blend
    Liner Treatments:
    Odour Control

    A soft, spacious liner that boosts warmth and extends your bag’s range without compromising comfort or packability. Nemo says:  Our newest accessory, the Tracer Blaze sleeping bag liner, is incredibly soft and patterned to match our Ultral…

    From: £74.99
    RRP: £79.99 | Save: £5.00
  • Life Venture Polycotton Sleeping Bag Liner, Rectangular Life Venture Polycotton Sleeping Bag Liner, Rectangular
    Add to Cart The item has been added

    Lifeventure

    Polycotton Sleeping Bag Liner, Rectangular

    Weighs
    372g
    Weighs:
    372g (excludes stuff sack)
    Liner Type:
    Rectangular
    Liner Fabric:
    Poly Blend

    The Polycotton Sleeping Bag Liner can be used as a liner to add extra warmth while keeping the inside of your sleeping bag clean, or used on it's own as a travel sheet in warmer climates. It combines the comfort of cotton with the strength and light.…

    £21.99
    RRP: £21.99
    Add to Cart The item has been added

Shop our wide range of lightweight and ultralight Sleeping Bag Liners for backpacking and travel. We have Liners made for ultralight backpacking and thermal liners that will add to your sleeping bags insulation rating. We stock liners from our key suppliers such as Sea to Summit, Thermarest and Rab. We provide accurate weights & full technical specifications. Get our honest verdict on each item along with verified user reviews & in-depth reviews from members of our team and our partners at Trek Scotland. Free UK+EU Delivery on orders over £15.