Marmot
Marmot Mad River Down 40° Sleeping Bag
Marmot Mad River Down 40° Sleeping Bag
The Marmot Mad River Down 40° Sleeping Bag is a packable down mummy bag built for backpackers who want a reliable night's sleep on the trail. Its RDS-certified 650-fill-power duck down lofts up tall while packing down small, and the chemical-free ExpeDry™ treatment helps the down dry quickly and retain loft when sweat, humidity, and condensation set in.
The gender-free standard length fits sleepers up to 6'0", and the 100% recycled shell and lining fabrics keep the bag lightweight. A full-length left-side two-way zipper with an anti-snag slider and a short right-side zipper let you control ventilation and fold the bag down like a blanket, while the anatomically designed footbox, draft collar, and internal stash pocket add warmth and convenience. The included storage sack and compression sack make it easy to pack down and head out.
Key Features
| Brand | Marmot |
| Model Number | M16037 |
| Product Type | Sleeping Bag |
| Bag Temperature Celsius | 4°C |
| Bag Temperature Fahrenheit | 40°F |
| Tested Comfort | 44ºF / 7ºC |
| Tested Limit | 35ºF / 2ºC |
| Insulation Material | Duck Down |
| Insulation Type | Duck Down |
| Fill Power | 650 |
| Shell Material | 100% Recycled Fabric |
| Lining Material | 100% Recycled Fabric |
| Shoulder Girth | 63 in (159 cm) |
| Hip Girth | 57.9 in (147 cm) |
| Footbox Size | 48.8 in (124 cm) |
| Stuff Sack Size | 11.8 x 6.3 in (30 x 16 cm) |
| Product Weight | 1 lbs 11.2 oz (772 g) |
| Zipper Location | Left Zip |
| Stash Pocket | Yes |
| Product Care | Machine Wash Cold, Use Liquid Detergent, Do Not Use Powdered Detergent, Gentle Cycle, Tumble Dry Low, Do Not Iron, Do Not Bleach, Do Not Dry Clean, Do Not Use Fabric Softener, Rinse Twice, Do Not Store Wet |
Highlights
- RDS-certified 650-fill-power duck down with ExpeDry™ for lofty, compressible, quick-drying warmth
- ExpeDry™ is a permanent, chemical-free alternative to DWR (Durable Water Repellent), providing quick-drying, loft-retaining performance in wet and humid conditions
- Gender-free design: standard length fits sleepers up to 6'0"
- 100% recycled shell and lining fabrics
- Full-length, left-side 2-way zipper with an anti-snag slider for improved ventilation, versatility, and easy access
- Short right-side zipper offers fold-down comfort and additional ventilation
- Anatomically designed footbox with wrap-around construction provides warmth and roomy comfort
- Internal stash pocket for contact lenses, headlamp, and valuables
- Draft collar seals in warmth and prevents heat loss, even when tossing and turning
- ISO temperature testing adheres to reliable international standards
- Included storage sack and compression sack
Warranty
Marmot products are warranted against defects in materials and construction for the practical lifetime of the product. The warranty does not apply to normal wear and tear, improper care, misuse, accident, neglect, or the natural breakdown of materials over time.
Frequently asked questions
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