Sea to Summit Reactor Lightweight Liner- Regular
124213-Master
Sea to Summit Reactor Lightweight Liner- Regular, Pewter, hi-res
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AT A GLANCE
Engineered with Thermolite® Pro fabric using infrared-absorbing pigments and hollow-core fibres to trap heat. Lightweight, compact, stretchy, odour-resistant, and easy to clean.

Sea to Summit Reactor Lightweight Liner- Regular

124213-PWT00-OS

Our Price

A$89.99

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  • Colour selected: Pewter

  • Colour selected: OS

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Sea to Summit Reactor Lightweight Liner- Regular

Our Price

A$89.99

MEMBERS PRICE

CLEARANCE

SALE

AT A GLANCE
Engineered with Thermolite® Pro fabric using infrared-absorbing pigments and hollow-core fibres to trap heat. Lightweight, compact, stretchy, odour-resistant, and easy to clean.
  • Product Description

    Optimised for minimal weight and maximum warmth, the Reactor Lightweight enhances sleep system performance with advanced Thermolite® Pro fabric, which uses infrared-absorbing ceramic pigments and hollow-core fibres to trap body heat. Adding up to 4°C|7°F of warmth with minimal bulk, it’s ideal for ultralight expeditions.

    Stretch-knit fabric and articulated arm openings ensure unrestricted mobility. Treated with HeiQ Fresh odour control, it’s quick-drying, machine washable, and helps prolong your sleeping bag’s lifespan by reducing wash frequency.
  • Design features

    • Lightweight and insulative, Thermolite® Pro technology with hollow-core fibres and infrared-absorbing pigments enhances warmth with minimal pack size
    • Stretch-knit and shaped arm openings allow unrestricted movement
    • Ergonomic design with a fitted hood delivers optimal warmth and comfort without extra weight or bulk
    • Fits any sleeping bag - Stretch fabirc means the Reactor Liner fits any shape of sleeping bag
    • Stay Fresh Longer – HeiQ Fresh odour control technology keeps the liner fresh after extended use
    • Sleep System Integration – Snap connectors at the shoulders easily pair with Sea to Summit sleeping bags for quick, hassle-free entry and exit
    • Machine washable construction simplifies care and reduces wear on your sleeping bag over time
    • Crafted with certified recycled fibres and bluesign APPROVED materials to minimise environmental impact
  • Product Specifications

    Main Fabric 100% Post-Consumer Recycled Polyester
    Stuff Sack: 100% Polyester
    Packed Size (cm) 20 x 18 x 10 cm
    Weight 255 g
  • 60 DAY RETURNS

    If you're not completely satisfied, you are welcome to exchange your purchase* with the original receipt for a full refund, store credit, or an alternative product, within 60 days. The returned product must be unused, and in the original packaging with all tags still intact. Footwear should be tested indoors and returned in original packaging. Shoe boxes must be free of tape, writing, and stickers; use a postage bag for added protection.

    *Excludes next-to-skin swimwear, masks, underwear, food, gas canisters, and gift vouchers.

    Our returns policy

  • WARRANTY AND REPAIRS

    We trust our gear completely. If a product fails due to a major manufacturing fault or material defect, you can ask for a replacement, refund, or we’ll repair it free of charge. For non-Macpac branded products, we’ll always work with you to determine whether a repair, replacement or refund is appropriate.

    Our commitment to quality

Quality outdoor gear, made responsibly, trusted to last in any environment.