Sea To Summit Reactor Midweight Liner
- Freedom to Move: Stretch-knit construction and armholes allow unrestricted movement in any sleep position.
- Thermal Boost: Thermolite® Pro with FIR and hollow-core fibres traps and reflects heat—adds up to 6 °C | 11 °F to your system.
- Easy to Clean: Quick-drying fabric with HeiQ Fresh odour control for extended freshness on multi-day trips.
- Bag Compatibility: Fits any sleeping bag and snaps into Sea to Summit bags for easier entry/exit.
- Extend Bag Lifespan: Reduces need for frequent washing, maintaining insulation loft over time.
- Adventure-Ready: Ideal for backpacking, hut trips, bikepacking, and travel where warmth and hygiene matter
- Max user Height: 185cm
- Weight: 350g
- Shape: Mummy
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 [email protected] 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