Sea to Summit Thermolite Reactor Extreme
The Thermolite® Reactor Extreme increases sleeping bag performance by up to 15°C ( 25F) with its super-insulating 110g/m² Thermolite® fabric. The spacious design is slightly tapered from head to foot to reduce weight and increase thermal efficiency, and the drawcord hood can be cinched down for extra warmth when required. This knit fabric also has serious stretch to it, making the Reactor Extreme the ideal liner for the restless sleeper.
- Mummy shape with a box foot
- Drawcord hood with mini cord lock
- Packs into its own Ultra-Sil® stuff sack
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Product Specific FAQs
Delivery & 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 )
( 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
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
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