Sea to Summit Thermolite Reactor Liner

This item is temporary out of stock
Pickup currently unavailable at Bikefit Marlborough

The Thermolite® Reactor increases sleeping bag performance by up to 8°C with 80g/m² Thermolite® fabric. It is ideal as part of a cold climate sleep system, or as a standalone bag in warm weather. The Thermolite® Reactor is made from the lightest of Thermolite® fibres.


Adds warmth to a sleeping bag

Mummy shape with a box foot

Draw cord hood with mini cord lock

Packs into its own UltraSil® stuff sack

Lighter in weight, more packable than fleece

Machine washable

Colour: black

Shipping Information

Our on-line store is open 24/7 and we ship Monday through Friday, excluding some holidays. Orders received for products without shipping restrictions on its product page will ship the same business day when received before 12:00 p.m. PST. Orders in high demand will have an estimated production time listed on its product page and will ship according to the date listed.

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