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Sierra Designs - Frontcountry Bed 600/SYN

The Frontcountry Bed 600/SYN from Sierra Design is a 2-season, zipperless sleeping bag you enter via a large opening in the top, featuring down and synthetic insulation. With an oversized, integrated comforter sealing the opening, you can sleep comfortably and naturally on your back, side or stomach. The oval opening is designed to intuitively adjust in width to prevent cold drafts, yet it won’t restrict your natural sleeping position.

Technical specifications & features

Weight Medium: 3 lbs 15 oz. (1.77 kg)
Large: 4 lbs 9 oz. (2.06 kg)
Gender Men's & Unisex
Mfg Sku/Part Number 70618616
Temp Rating º F 28
Temp Rating º C -2
EN Lower Limit (Men's Rating) 28 F (-2 C)
EN Comfort (Women's Rating) 38 F (3 C)
Bag Style Spoon Shape
Seasonal Usage Two Seasons
Insulation 600FP Dridown (top) / Short Staple Synthetic (bottom/sides)
Fill Weight Medium (Down Fill): 20.1 oz. (0.57 kg)
Medium (Synthetic Fill): 9.5 oz. (0.27 kg)
Large (Down Fill): 23.3 oz. (0.66 kg)
Large (SyntheticFill): 11.4 oz. (0.32 kg)
Bag Shell Material 50D Polyester Taffetta
Bag Lining Material 50D Polyester Taffetta
Bag Length Medium: 80 in. (203 cm)
Large: 86 in. (218 cm)
Bag Stuff Size Stuff Sack Width
Medium: 9 in.
Large: 9.5 in.

Stuff Sack Length
Medium: 16 in.
Large: 17 in.
Circumference at Chest Medium: 64 in. (163 cm)
Large: 74 in. (188 cm)
Circumference at Hips Medium: 60 in. (152 cm)
Large: 74 in. (188 cm)
Circumference at Foot Medium: 64 in. (163 cm)
Large: 74 in. (188 cm)
Other Features Sleeping Pad Sleeve Width
Medium: Adjustable 20-25 in.
Large: Adjustable 25-30 in.

Fits To
Medium: 6 ft (182 cm)
Large: 6 ft 6 in. (198 cm)

DriDown (FCB 600/SYN): The top and comforter of the Frontcountry Bed are filled with 600 fill power DriDownTM where you’ll feel its light weight warmth and comfort the most. The bottom, sides, and footbox feature our Poly Fiber synthetic insulation to provide an effective and economical solution where down isn’t as important.

Room For Standard Pillow:
The hood on the Frontcountry Bed is sized longer and taller to accommodate a standard pillow and your head

Versatile Integrated Comforter:
Versatile Integrated Comforter

Hands-Free Foot Vent:
Zipper-less vent self-seals and can be operated from the inside using only your feet to easily adjust to varying temperatures

Adjustable Sleeping Pad Sleeve:
Secures your sleeping pad to create the experience of a fully integrated bed.

• Zipperless Design No additional hardware, cords or Velcro to get in the way of a comfortable night’s sleep.
• Fully Insulated Bottoms The bottom of the Frontcountry Bed has insulation, unlike the lighter weight Backcountry Beds.
• Insulated Hand/Arm Warmer Provides insulation under your arms when comforter is used outside of the bag.
• Catenary Shaped Opening is smaller than bag width so when you push out, the walls push into seal out drafts.

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