Sea to Summit Ember Ultralight 7 Down Quilt

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The Ember Ultralight 7 Down Quilt is made with super-compressible 850+ Loft Goose Down with an ULTRA-DRY treatment for water resistance and an ultralight 10D nylon shell and lining. It suits anyone not keen on a restrictive sleeping bag, needing a light, packable option or looking for extra warmth as it has the ability to attach to most Sea to Summit sleeping bags. Other features include a sewn-through construction to keep the down in place, adjustable straps to secure it to a sleeping mat, a drawcord at the shoulders if you want to wear it plus one at the foot end that allows you use to create a foot pocket in cooler conditions.


  • Sustainable design with a PFC-free water-repellent coating and RDS down
  • Breathable bluesign®-approved 10D nylon shell and lining for minimal weight and bulk
  • 850+ Fill Power, RDS-certified, 90% Down Cluster Premium Goose Down with ULTRA-DRY Down treatment for improved water resistance in damp conditions
  • Box-quilted sewn-through baffles
  • Cushioned internal shoulder-end draw-cord
  • Includes four adjustable straps to secure onto a sleeping pad
  • Drawcord in the foot section allows you to open the Ember up to a quilt or cinch tightly to create a 'foot pocket'
  • QuiltLock system compatible: attaches to any Sea to Summit sleeping bag with a hood to provide extra warmth in colder conditions
  • Includes lightweight Ultra-Sil compression bag and storage cell


Fits to 185cm (Regular), 198cm (Long)
Shoulder Width Maximum width: 120cm (Regular), 180cm (Long)
Foot Width Maximum width: 87cm (Regular), 95cm (Long)
Compression 3 Litres (Regular), 5 Litres (Long)
Fill ULTRA-DRY Goose Down 850+ Loft, RDS certified
Fill Weight 200g (Regular), 235g (Long)
Average Weight 423g (Regular), 486g (long)
Outer Material 10D nylon
Inner Material 10D nylon with a non-PFC DWR finish
Temperature Rating 11°C comfort rating woman / 7°C Lower comfort rating for men; Temperature rated in accordance with ISO 23537-1:2022

ULTRA-DRY Down™: With the introduction of water-repellent ULTRA-DRY Down™ Seat to Summit have virtually eliminated the negative effects moisture has on down. The ULTRA-DRY Down™ water-repellent treatment protects the down from external moisture and condensation from inside the bag. It is a permanent (no loss of treatment effect has been seen in over 14 wash cycles) Nano-level water repellent polymer treatment applied to Sea to Summit high loft, high quality down. The Nano-thin treatment vastly improves the down's reaction to water without effecting its weight or loft performance. ULTRA-DRY Down™ retains over 60% more loft and absorbs 30% less moisture when compared with untreated down. Sea to Summit sleeping bags dry out 60% faster than bags with untreated down. The Nano-level treatment also inhibits bacterial and microbial growth, which makes Sea to Summit sleeping bags more hygienic and improves their lifespan.

Responsible Down Standard (RDS): The RDS is helping to shift the entire down and feather industry towards more humane animal rearing and handling practices. Overseen by the industry leading Textile Exchange, the RDS requires independent, third party assessments of all aspects of animal rearing and handling throughout the entire supply chain. By only using down that meets the audited requirements of the RDS we can have confidence that each phase of the collection process has been completed with the welfare and ethical treatment of waterfowl in mind. To find out more about how the RDS is improving animal welfare during down collection, please visit (link will open a new window).


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