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Shipping Estimate
USA
- USA
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- USA
- CAN
Ships within 48 hours · Estimated delivery Aug 23 - Aug 28
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
Big Agnes Lost Dog 15 Sleeping BagLightweight synthetic fill Big Agnes system bag The Big Agnes Lost Dog Sleeping Bag is part of our system bag line with FireLine ECO synthetic insulation offering a roomy, rectangle shaped sleeping space with an integrated Flex Pad Sleeve on the bottom. With technical fabrics and construction, 100% recycled, super warm insulation, and tons of comfort features, these comfortable sleeping bags are designed to be lightweight enough for backpacking but
Lightweight synthetic-fill Big Agnes system bag
The Big Agnes Lost Dog Sleeping Bag is part of our system bag line with FireLine™ ECO synthetic insulation offering a roomy, rectangle-shaped sleeping space with an integrated Flex Pad Sleeve on the bottom. With technical fabrics and construction, 100% recycled, super-warm insulation, and tons of comfort features, these comfortable sleeping bags are designed to be lightweight enough for backpacking but cozy enough you'll want them in the campground too. The streamlined silhouette and Flow™ construction increase the thermal efficiency keeping you warm from head to toe. The Flex Pad Sleeve unites easily with your pad, and as you change positions over the course of the night, will keep you from rolling off your pad.
The Big Agnes System bags offer technical, roomy sleeping spaces for those who aren't willing to sacrifice comfort or packability
Streamlined silhouette for increased thermal efficiency
Flex Pad Sleeve features stretch construction that accommodates multiple pad widths, and easily connects your bag to your pad
Regular and Long bags fit 20" - 25" wide pads, Wide Long bags fit 25" - 30" wide pads
Free Range Hood gives you the freedom to lift your head. Jacket-style hood opening contours to the shape of your face for a comfortable, snug fit
Low-profile cordlock lets you un-cinch the hood with one hand
Pillow Barn – keeps your pillow tucked in tight all night
Internal hood drawcord gives you a secure, cozy fit when cinched
Free Range Footbox - creates wiggle room for your feet
Rectangular shaped bag
Anti-snag zipper for a smooth, quick zip
Regular: 65" / 165cm YKK #5 anti-snag locking zipper
Long: 70" / 178cm YKK #5 anti-snag locking zipper
Wide Long: 70" / 178cm YKK #5 anti-snag locking zipper
Zipper Garage
Mate together left and right zip bags
No-draft collar, no-draft wedge, no-draft zipper
Interior fabric loops for sleeping bag liners
Exterior loops for hang drying or storage
Mesh storage sack & polyester ripstop stuff sack
Streamlined silhouette for increased thermal efficiency
Flex Pad Sleeve features stretch construction that accommodates multiple pad widths, and easily connects your bag to your pad
Regular and Long bags fit 20" - 25" wide pads, Wide Long bags fit 25" - 30" wide pads
Free Range Hood gives you the freedom to lift your head. Jacket-style hood opening contours to the shape of your face for a comfortable, snug fit
Low-profile cordlock lets you un-cinch the hood with one hand
Pillow Barn – keeps your pillow tucked in tight all night
Internal hood drawcord gives you a secure, cozy fit when cinched
Free Range Footbox - creates wiggle room for your feet
Rectangular shaped bag
Anti-snag zipper for a smooth, quick zip
Regular: 65" / 165cm YKK #5 anti-snag locking zipper
Long: 70" / 178cm YKK #5 anti-snag locking zipper
Wide Long: 70" / 178cm YKK #5 anti-snag locking zipper
Zipper Garage
Mate together left and right zip bags
No-draft collar, no-draft wedge, no-draft zipper
Interior fabric loops for sleeping bag liners
Exterior loops for hang drying or storage
Mesh storage sack & polyester ripstop stuff sack
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 28 reviews
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Product Reviews
★★★★★ 5
Daughter approved
Size: 1 Little Kid, Color: Turquoise/Multi
My daughter picked out these shoes and she absolutely loves them.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 9, 2026
★★★★★ 5
Not stiff or tight…
Size: 13.5 Little Kid, Color: Turquoise/Multi
My niece loved them. So many of the slips in shoes are too stiff and tight, this one was easy on, not stiff or tight, just perfect!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 18, 2026
★★★★★ 5
Daughter approved
Size: 1 Little Kid, Color: Turquoise/Multi
My daughter picked out these shoes and she absolutely loves them.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 9, 2026
★★★★★ 5
Not stiff or tight…
Size: 13.5 Little Kid, Color: Turquoise/Multi
My niece loved them. So many of the slips in shoes are too stiff and tight, this one was easy on, not stiff or tight, just perfect!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 18, 2026
★★★★★ 5
Daughter approved
Size: 1 Little Kid, Color: Turquoise/Multi
My daughter picked out these shoes and she absolutely loves them.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 9, 2026
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