KSB 35˚ Down Sleeping Bag

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KSB 35˚ Down Sleeping Bag
Sku: CS B535


List $199.99

Price: $199.95



When nighttime temperatures set in, enjoy the warmth of 650 fill-power down in the KSB 35. Right at home in the backcountry or the backyard, this bag features Length Locks™ that can shorten the bag, and a two-way zipper that allows you to open the foot box for ventilation or stand up in the bag. Unzip the bag all the way to convert it into a generous blanket.

This sleeping bag packs small and is made of highly durable fabric, providing years of use. The draft collar, over-stuffed foot box, insulated mummy hood, and flexible baffles all work together to minimize heat loss, ensuring greater thermal efficiency. A stash pocket allows you to keep your small items close at hand while snugged up in the sleeping bag.

Additional Information

Additional Information

Additional Info
  • 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 35˚ 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.
  • EN Rated

  • 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 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.
Tech Specs
  • Weight: 1.9 lb (862g)
  • Packed Dimensions: 13” x 7”
  • Dimensions: 82” x 30.5”
  • Temperature Rating: 35˚F / 1.7˚C
  • Fill Power: 650 with a Net Fill of 400g
  • Insulation Type: White Duck Down
  • Shoulder Girth: 60”
  • Hip Girth: 60”
  • Color: Blue
Contents Klymit® KSB 35˚ Down Sleeping Bag

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