Sea to Summit Reactor Extreme Thermolite Mummy Sleeping Bag Liner Hydration and an on/off lever that

and an on/off lever that makes it easy to prevent leaks

we’ve used our lightest down proof 10D shell and 7D lining fabrics and upgraded the insulation to our 850+ Loft Premium Goose ULTRA-DRY Down™

this ultra-lightweight and compact day pack resists water and packs into its own tiny stuff sack

The Torsion Deck design reduces stress on your joints while creating a natural stride even through steep

Sea to Summit Reactor Extreme Thermolite Mummy Sleeping Bag Liner Hydration and an on/off lever thatIdeal as part of a cold climate sleep system or standalone bag in warm weather. FEATURES Adds up to 15C 25F warmth to a sleeping bag Super insulative 110g m2 THERMOLITE throughout for extra warmth Mummy shape with a box foot Draw cord hood with mini cord lock Extends life of sleeping bags by keeping them clean Contrasting colour along the top edge makes it easier to find the opening Packs into its own Ultra Sil stuff sack Easy care, machine washable