{"@context":"https://schema.org/","@type":"Product","@id":"https://www.scheels.com/p/sea-to-summit-spark-down-45-sleeping-bag/11306-S2114/","name":"Sea To Summit Spark Down 45 Sleeping Bag","image":["https://scheels.scene7.com/is/image/Scheels/40700001306"],"description":"If you're counting grams, but still count on a great night's sleep, the Spark may be the right bag for you. Filled with RDS-certified 850+ f","sku":"40700001276","mpn":"40700001276","brand":{"@type":"Brand","name":"Sea To Summit"},"offers":{"@type":"Offer","url":"https://scheels.com/p/40700001276/","priceCurrency":"USD","price":379,"itemCondition":"https://schema.org/NewCondition","availability":"https://schema.org/InStock"}}{"isError":false,"data":{"reviews":[{"id":7174771,"locale":"en_US","rating":5,"title":"Perfect Summer Bag","text":"Had this bag with me on an 8-day bikepacking trip round the Pacific Northwest. 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Nights got down to 40 degrees. I-was a little worried about the chill and the bag rating since I'm a t-shirt underwear and sometimes socks guy. But this was perfect. Finally a bag true to its rating. 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It is very light for its temperature rating (2lbs 7oz off the top of my head) I love this bag and would plan on purchasing the same model in different temp ranges. I can sleep on my sight, spacious and comfortable. This thing is not cheap but damn you def get what you pay for.","textLength":324,"csFlag":false,"inappropriateFlag":false,"reviewedFlag":false,"autoModerated":false,"published":true,"incentivized":false,"upVotes":0,"downVotes":0,"orderId":null,"dimensions":[],"responses":[],"tags":[],"media":{"photo":[],"video":[],"audio":[]},"user":{"badge":null},"reviewedDate":null,"purchaseDate":null,"dateCreated":"2025-03-02T00:00:00-05:00","customData":[],"incentiveType":null,"campaign":null,"deviceFingerprint":null,"topics":[],"syndication":{"sourceName":"seatosummit.com","siteUrl":"https://seatosummitusa.com/","logoUrl":"https://images.turnto.com/site/syndicationlogos/2109_LH48.png"},"catalogItems":[{"sku":"11306-S2114","title":"Sea To Summit Spark Down 45 Sleeping Bag","url":"https://www.scheels.com/p/11306-S2114","category":"sleeping-bags","reviewCount":74,"ratingCount":74,"averageRating":4.9,"ratingBreakdown":{"1":0,"2":0,"3":1,"4":8,"5":65},"active":true,"attributes":[]}]}]},"tracing":{"frontasticRequestId":"ab0396e8829bbc2a46c28b41a0f08e1a"}}"Full Description:\nIf you're counting grams, but still count on a great night's sleep, the Spark may be the right bag for you. Filled with RDS-certified 850+ fillpower goose down treated with a non-PFC Ultra-Dry Down treatment, the Spark is constructed with a technical hood and zipper draft tube to retain warmth. Comfort comes from a super-breathable 10 denier liner fabric, while a 10D shell with a non-PFC DWR plus a highly water repellent hood and footbox fabric shed wind and condensation. The full-length zipper model can be zipped to an equivalent Women's Spark for comfort that couples can share\n\nFeatures:\n\u003cul>\n\u003cli>Sea to Summit Guarantee is offered for the Lifetime of this product\u003c/li>\n\u003cli>RDS-certified, 850+ fill-power goose down with a non-PFAS Ultra-Dry Down treatment for maximum thermal performance\u003c/li>\n\u003cli>10-denier shell with a non-PFAS durable water repellent (DWR) keeps the hood and footbox highly water-resistant\u003c/li>\n\u003cli>Ultralight, breathable 10-denier nylon liner\u003c/li>\n\u003cli>Constructed with a technical hood and zipper draft tube to retain warmth\u003c/li>\n\u003cli>Technical hood, anatomic footbox and an ergonomic mummy shape—ultralight doesn't have to mean ultratight\u003c/li>\n\u003cli>YKK #5 zipper with zipper plow provides reliable, snag-free operation\u003c/li>\n\u003cli>Half-length zipper for ultralight packability\u003c/li>\n\u003cli>Sewn-through baffle construction for lighter weight\u003c/li>\n\u003c/ul>\n\nSpecifications:\n\u003cul>\n\u003cli>Insulation Type: Down\u003c/li>\n\u003cli>Gender: Unisex\u003c/li>\n\u003cli>Best Use: Backpacking\u003c/li>\n\u003cli>Ultralight: Yes\u003c/li>\n\u003cli>Sleeping Capacity: 1-person\u003c/li>\n\u003cli>Zipper Location: Left\u003c/li>\n\u003cli>Water-Resistant Down: Yes\u003c/li>\n\u003cli>Sleeping Bag Shape: Mummy\u003c/li>\n\u003cli>Shell: 10-denier nylon\u003c/li>\n\u003cli>Fill: 850+ fill-power goose down\u003c/li>\n\u003cli>Lining: 10-denier nylon\u003c/li>\n\u003cli>Shoulder Girth (in.): Regular: 61 inches, Long: 65 inches\u003c/li>\n\u003cli>Temperature Rating (F): 45 degrees (F)\u003c/li>\n\u003cli>Temperature Rating (C): 7 degrees (C)\u003c/li>\n\u003cli>Tested Lower Limit: 45 degrees (F) - ISO\u003c/li>\n\u003cli>Tested Comfort: 51 degrees (F) - ISO\u003c/li>\n\u003cli>Weight: Regular: 12.8 ounces, Long: 13.7 ounces\u003c/li>\n\u003cli>Fill Weight: Regular: 5.3 ounces, Long: 6.1 ounces\u003c/li>\n\u003cli>Fits Up To (in.): Regular: 73 inches, Long: 78 inches\u003c/li>\n\u003cli>Hip Girth (in.): Regular: 61 inches, Long: 65 inches\u003c/li>\n\u003cli>Stuff Sack Volume: Regular: 2 liters, Long: 3 liters\u003c/li>\n\u003cli>Compressed Volume: Regular: 2.4 liters, Long: 2.9 liters\u003c/li>\n\u003c/ul>\n"