END-OF-SEASON SALE: Up to 50% off the 2026 summer collection! Learn more
Sea to Summit Reactor Fleec Compact Bag Sheet
The Sea to Summit Regular Liner in Reactor fleece, with its drawstring for optimal fit, is designed to offer unmatched versatility. Made with Thermolite® fabric and grid-patterned fleece, it provides optimal heat retention, ideal for cold conditions. With a mummy shape and compact or standard dimensions, it is lightweight for easy transport on your outdoor adventures. This revolutionary liner, with its +22% thermal boost, guarantees extra warmth for maximum protection against the cold.
Thermolite® EcoMade All Season technology ensures year-round comfort with its innovative temperature-regulating fibers, while HeiQ Fresh FFL treatment guarantees lasting freshness by neutralizing body odors. What's more, with 60% recycled yarn in its composition, this liner is also environmentally friendly.
Additional information:
SHAPE: Mummy
WEIGHT: Compact: 403 g / Standard: 439 g
THERMAL BOOST: +2 2%
DIMENSIONS: Compact : 80 x 198 cm / Standard: 80 x 216 cm
- Type : Unisex
- discount : -20%
- new 2026
- Out-of-Stock
- new 2026
- Out-of-Stock
- new 2026
- Out-of-Stock
- Out-of-Stock
- new 2026
- Out-of-Stock
- Out-of-Stock
- new 2026
The brand SEA TO SUMMIT
Sea to Summit: from the sea to the summits
Founded in Australia in the 1980s, Sea to Summit is an outdoor brand designed by and for adventurers. Specializing in bivouacking, hiking, and travel, it designs lightweight, compact, and ingenious equipment: mattresses, sleeping bags, waterproof bags, cookware, camping accessories, and more. All with a constant focus on reliability, durability, and comfort, to accompany adventurers on their high-mountain expeditions or treks to the ends of the earth.