KSB 0˚ Oversized Down Sleeping bag

70% of 100
The KSB 0˚ Oversized delivers an exceptional amount of warmth with it’s 650 white duck down fill while easily packing into it’s included compression sack. Using the adjustable Length Locks™ the sleeping bag can reduce in length up to 15 inches, efficiently sizing down to fit a 5’ 3” person. A draft collar, over-stuffed foot box, insulated mummy hood and flexible baffles at the body’s core all work together to minimize heat loss for greater thermal efficiency. Highly durable fabrics are tough, light and comfortable. The oversized expanded chest area and flexible baffles provide ample room to move, and a stash pocket keeps small items right at hand.

  • Temperature rating: 0˚ F / -17.8˚ C
  • DWR coated
  • $329.95
    In stock


    More Information
    Weight3.9 lbs / 1.8 kg
    Temperature Rating0˚F / -17.8˚C
    Dimensions82” x 40” / 208.3 cm x 101.6 cm
    Pack Size15” x 8.5” / 38.1 cm x 21.6 cm
    Fill Power650 with fill weight of 1300g
    Insulation TypeWhite Duck Down
    Shoulder Girth80.5” / 203 cm
    Hip Girth70” / 178 cm
    Fabric20D Sil-Nylon
    Warranty2 Years


    • Draft Collar: To maintain thermal comfort throughout the night, an insulated tube wraps around your shoulders to prevent heat from escaping as you sleep.
    • Stash Pocket: A small pocket is integrated into the draft collar – perfect for stashing a headlamp, wallet, phone or midnight snacks.
    • Soft Fabric: The soft, hydrophobic, 20D nylon lining is silk-sheet comfortable and won’t absorb moisture.
    • Temp Rating: Tested and rated at 0˚ F for three season comfort.
    • Fill: Warm, lofty 650 fill-power white duck down is lofty, warm and breathable.
    • Half-Moon Foot Box: The three-dimensional foot box utilizes a half-moon shape to help retain warmth, provide added room for greater comfort, and to allow the use of one of our sleeping pads inside the bag.
    • Flex Baffles: Flexible baffles provide freedom of movement and keep the insulation close to your body for more efficient thermal performance and exceptional comfort.
    • Expanded Chest Area: Thoughtful patterning expands the girth at the chest for added comfort and the freedom to move throughout the night without impacting thermal performance.
    • Mummy Hood: Insulated and comfortable, the mummy wraps the head to maintain essential warmth.


    • Water Resistant: Outer fabric has a durable water repellant (DWR) treatment to protect the insulation from moisture that can impede thermal performance and add weight.
    • Durable Fabric: Light and tough 20D rip-stop nylon has a high strength-to-weight ratio to help resist tears without adding unnecessary ounces.
    • ¾” Full-Length Snag-Free Zipper with Guard: Burly, but not bulky, the 3/4“ full length zipper has two-way sliders so it can be unzipped from top or bottom for ventilation. A full length zipper guard helps seal out drafts.
    • Pack Size: Two stuff sacks included for compact transport and larger storage.


    • Lightweight Materials: The 20D rip-stop nylon is light and compressible.
    • 650 fill power white duck down fill provides exceptional warmth for its weight.
    Questions and Answers
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    My review of this sleeping bag won't show up... Because I rated 1 star maybe... Suspicious as to why you guys only let 5 star reviews be seen on your website...
    Question by: Liam Hunting on Jan 8, 2018, 10:39:11 AM
    what kind of zipper is on the sleeping bag. we have one and are looking for a bag expander that would match the zipper.
    Question by: M cagley on Feb 25, 2017, 9:01:01 PM
    Do your sleeping bags zip together if you have two bags?
    Question by: Jagjit Chadha on Aug 27, 2017, 6:30:19 PM
    About the KSB 0 Oversized:
    1) As an European costumer I would be very happy if You also could give the measures in cm and C.
    2) In EU there is a standard to measure temperature i sleeping bags. Do You know what Your 0 F is compared to that standard?
    Question by: Bjorn Bjornkvist on Feb 22, 2017, 9:24:31 AM
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