Reactor Fleece Liner  (Thermal Boost + 22%)
Reactor Fleece Liner  (Thermal Boost + 22%)
Reactor Fleece Liner  (Thermal Boost + 22%)
Reactor Fleece Liner  (Thermal Boost + 22%)
Sea to Summit

Reactor Fleece Liner (Thermal Boost +22%)

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.

Now £67.49£75.00 Save £7.51
  • Traps insulating air to increase the 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



Existing Reviews (0.00/5)

General FAQs

Prices are low, are they fake?

We never sell any imitation brands or lookalike bands, everything we sell is from the maker of the product

Shipping & Tracking

When will it be delivered?

We aim to ship all orders that we receive by 3 pm UK time between Monday to Friday

How are your items sent

Our main UK Shipping option is with Royal Mail Tracked service
( In some circumstances we may use other carriers, depending on the destination and product )

Is there tracking on my order?

Yes, tracking numbers are sent when the order despatch confirmation is sent, and they have a link to your tracking service
Tracking usually comes live during the evening of the day of despatch of your order

Do you ship outside of the UK?

Yes we do.
Overseas shipping will vary depending on location, weight, and service available.
Delivery times for overseas orders can vary considerably depending on location, please get in touch if
you need details of delivery options by emailing info@extremeadventureraces.com and giving us your address,
including country and Post or Zip code


Returns and Refunds

Order not arrived, can I get a refund

Once an item has been dispatched, we are unable to cancel the order or refund it until we are sure that its lost
Let us know it hasn't arrived and we'll update you on the status within 24 hours


How can I return an item?

Returns must be unused, in the original packaging, with all labels and tags intact.
Please include the packaging with your return
Details of were to send your item are here