
Big Agnes Lost Dog 15 Degree Synthetic Sleeping Bag
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- Overview Overview The Big Agnes Lost Dog 15 Degree Synthetic Sleeping Bag offers a roomy & rectangle-shaped sleeping space with technical fabrics and construction, 100% recycled, super-warm insulation & tons...
- Technical Specifications Technical Specifications
SKU: ASB_BABSLOSTDOG15-Orange/Navy-RegLeft
The Big Agnes Lost Dog 15 Degree Synthetic Sleeping Bag offers a roomy & rectangle-shaped sleeping space with technical fabrics and construction, 100% recycled, super-warm insulation & tons of comfort features, these comfortable sleeping bags are designed to be lightweight enough for backpacking.
- Rectangular shaped bag
- Streamlined silhouette for increased thermal efficiency
- Flex Pad Sleeve accommodates multiple pad width and easily connects your bag to your pad
- 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 and snug fit
- Low-profile cordlock lets you un-cinch the hood with one hand
- Insulated tube along upper hood opening seals out drafts when cinched
- Pillow Barn keeps your pillow tucked in tight all night
- Internal hood drawcord gives you a secure and cozy fit when cinched
- Features low-denier fibers that are tightly woven, provide high loft and compressibility
- High weight-to-warmth ratio and durability
- Non-hooded design on (45˚) is ideal for summer camping or use as an overbag
- Free Range Footbox creates wiggle room for your feet
- YKK #5 anti-snag zipper for a smooth and quick ziplocking zipper
- Zipper Garage
- No-draft collar, no-draft wedge, no-draft zipper
- Quilted construction
- Interior fabric loops for sleeping bag liners
- Exterior loops for hang drying or storage
- Storage sack and stuff sack included
- Manufacturer guarantee against defects in materials & workmanship for the life of the product
Technical Specifications
Temp. Rating | 15˚ F (-9˚ C) |
Shell Fabric | Nylon ripstop with a water-repellent finish |
Lining | Polyester |
Insulation | FireLine ECO synthetic (100% post-consumer recycledpolyester) |
Zipper | YKK #5 anti-snag locking zipper |
Zipper Position | Left |





Size Chart
Big Agnes Lost Dog 15 Degree Synthetic Sleeping Bag:
Size | Fits up to | Bag Weight | Fill Weight | Zipper Length | Compressed Size | Stuff Sack Size | Pad Size Needed* |
Regular | 6' (183 cm) | 1.45 kg (3 lbs. 3 oz.) | 878 g (31 oz.) | 65" (165 cm) | 8" x 9.5" (20 x 24 cm) | 9" x 20" (23 x 51 cm) | 20 - 25" x 72" (51 - 64 x 183 cm) |
Long | 6' 6" (198 cm) | 1.64 kg (3 lbs. 10 oz.) | 992 g (35 oz.) | 70" (178 cm) | 8" x 10.5" (20 x 27 cm) | 9" x 20" (23 x 51 cm) | 20 - 25" x 78" (51 - 64 x 198 cm) |
Wide Long | 6' 6" (198 cm) | 4 lbs. (1.81 kg) | 40 oz. (1.13 kg) | 70" (178 cm) | 9" x 12.5" (23 x 32 cm) | 10" x 21" (25 x 53 cm) | 25 - 30" x 78" (64 - 76 x 198 cm) |
*The Lost Dog sleeping bag works best witha rectangler sleeping pad. Sizing tested with Big Agnes sleeping pads