A gear review Times highlights summer favorites, including the Sea to Summit Ascent Down Sleeping Bag. This bag is available in 30 or 15 degree options and has been tested by the International Down Feather Laboratory.

The bag contains a high percentage of goose down and features water-repellent ULTRA-DRY Down to protect against moisture. It also has a two-way zipper and side zippers for ventilation.

Further details about the bag's performance and features are available from the source, including information about its construction and testing.