Sea to Summit Thermolite Reactor Fleece Sleeping Bag Liner

£75.00
By Sea to Summit
Size
Minus Plus

Free Delivery: Available on all orders over £50.

Next-Day Delivery: Available for orders placed before 3 PM with DPD (additional charges apply).

Free DPD Upgrade: Orders over £250 qualify for a complimentary DPD upgrade.

Secure Checkout: Includes theft protection for added peace of mind.

Refunds & Exchanges: Contact us within 30 days for hassle-free returns or exchanges.

The warmest sleeping bag liner

The THERMOLITE® Reactor Fleece liner is Sea to Summit’s warmest sleeping bag liner. The regular Reactor Fleece Liner featuring a drawcord for adjustment and versatility is made from Thermolite® fabric and grid fleece for optimal heat retention. With the same features as our Reactor Liner, the fleece addition offers added warmth for maximum thermal boost.

    • Traps insulating air to increase warmth of a 1 season sleeping by up to 22% and 10% for a 3 season bag
    • Sustainable construction- 60% Thermolite® All-Season fabric, which is made with 100% textile waste and GRS Certified, and 40% polyester yarn
    • Treated with Heiq Fresh FFL biocide-free effective odour control
    • Technical mummy-shape with drawstring hood.
    • Available in 2 sizes- regular and compact
    • Easy care – machine wash with no special soap needed. Avoid fabric softeners and dryer sheets.
    • Ideal for use as a sleeping bag in warmer weather or sandy environments.
    • Packs into its own Ultra-Sil stuff sack

    BONUS: EASY TO WASH AND HELPS TO KEEP YOUR DOWN BAG CLEANER FOR LONGER

  • Features

    ADDED WARMTH
    Up to +22% in a 1 Season bag
    BEST USE
    Camping, Winter Camping & Travel
    COMES WITH
    Ultra-Sil stuff sack
    MATERIAL(S)
    Thermolite EcoMade & Polyester
    SHAPE
    Mummy

  • Specifications

    DIMENSIONS
    198 x 80 cm - Compact
    216 x 80 cm - Standard
    PACKED SIZE
    14 x 9 cm - Compact
    14 x 9 cm - Standard
    WEIGHT
    390 g

More details Right
Valley and Peak Promise

"The Valley and Peak promise is built on three pillars: thoughtfully curated gear, exceptional customer service, and a genuine love for the outdoors. As an independent, family-run business, we carefully select products from a wide variety of cottage gear brands and trusted names, ensuring that each item is rigorously tested and loved by our team. Our customer service is a cornerstone of our brand, offering personalised support to help you choose and care for your gear with confidence"

Jim De'Ath, Managing Director