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Nemo - Siren 45d Ultralight Down Quilt

Availability: Out of stock

Stock #: DG4KX
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The popular Siren™ has been updated in 2019 with a vertical baffle structure, lighter weight and smaller pack size. This 45°F backless quilt is ideal for ultralight treks where weight and versatility matter; it takes away everything extra without taking away the promise of a warm and draft-free night's sleep. Constructed using the highest end fabrics and premium 850 fill power down, Siren™ is one of the lightest quilt-style bags on the market.

The backless design shaves weight, and the stretch footbox anchors around pad and keeps it securely in place. A cord system lashes around the underside of the pad to accommodate a variety of pad sizes.


  • Ultra-fine 10D Nylon Micro Ripstopoffers silky smooth comfort.
  • Premium 850 FP down is ultra-packable, hydrophobic, PFC-free, and 100% Responsible Down Standard (RDS) Certified for traceability throughout the supply chain.
  • Vertical baffle structure conforms to your body.
  • Backless design shaves significant weight.
  • One of the lightest quilt-style bags on the market.
  • Stretch footbox anchors pad securely in place.
  • Cord system lashes around a variety of pad sizes for a secure, draft-free sleep.
  • Protected by the NEMO Lifetime Warranty.

Additional Information

Material 10D Nylon Ripstop w/ DWR
Insulation 850 FP Down
Temp Rating 45F / 7C
Length Fits to 6'
Shoulder Girth 53"
Hip Girth 48"
Foot Girth 39"
Packed Size 14 x 5.5 in (2.16 L)
Weight 1 lb 5 oz
Stuff Sack Compression stuff sack, Mesh storage bag

Product Videos

  • Nemo Siren Quilt