KSB 20˚ Synthetic Realtree® Xtra Sleeping Bag

Designed for three-season backcountry adventure, the KSB 20˚ Synthetic Realtree Camo sleeping bag is warm, lightweight, and ideal for mixed conditions. The Klymalite™ synthetic fill is warm, durable and insulates even when wet. 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. High tenacity fabrics are tough, light and comfortable, and the Realtree camo blends into the environment. The expanded chest area and flexible baffles provide room to move, and a stash pocket keeps small items right at hand. Pair it with one of our Inertia or Static pads for a highly efficient backcountry sleep system.
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More Information
Price $174.95
Weight 3.2 lbs / 1.45 kg
Temperature Rating 20˚F / -7˚C
Dimensions 84.5" x 31.5" x 21.7" / 214.6 cm x 80 cm x 55.1 cm
Pack Size 22" x 14.5" / 55.8 cm x 36.8 cm
Insulation Type Klymalite Synthetic Fibers
Warranty Limited Lifetime


  • 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 tube – perfect for stashing a headlamp, wallet, phone or midnight snacks.
  • Soft Fabric: The soft, hydrophobic, brushed 20D nylon lining is flannel-sheet comfortable and won’t absorb moisture.
  • Temp Rating: Independently tested and EN rated at 20˚ F for three season comfort.
  • Fill: Synthetic fill is warm, lofty and insulates even when wet.
  • 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 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: Stuff sack included for compact transport.
  • Realtree Camo: Advanced concealment pattern blends into the surrounding environment for backcountry hunting and minimal visual impact.


  • Lightweight Materials: The 20D rip-stop nylon is light and compressible.
  • Lightweight Fill: Synthetic fill provides efficient warmth for little weight.
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