Sea to Summit Ember Ultralight Down Quilt 25

The Sea to Summit Ember Ultralight Down Quilt 25 is a three-season top quilt built around a -4°C comfort rating (limit -10°C), aimed at hikers who spend cold-shoulder-season nights in a hammock or under a tarp rather than a full mummy bag. Fill is 500 g of 850+ fill-power RDS-certified goose down with a hydrophobic Ultra-Dry, PFC-free treatment that helps the loft resist moisture on multi-day trips. At 725 g total weight and a warmth-to-weight ratio of 13.8, it sits in the mid-weight band for down quilts — heavier than the milder Ember models in this range but still well below a comparable mummy bag. The 10D nylon ripstop shell and 10D nylon liner keep the pack size compact, while the open footbox and pad loops anchor the quilt to a sleeping pad instead of adding an insulated underside that would be compressed and wasted under body weight. Sized regular for users up to 182 cm, it suits ultralight and bikepacking trips through cold-shoulder seasons where a mummy bag's zipper and hood are more weight than needed.