Synthesis 35

By Sierra Designs

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Long (6' 6")
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Utilizing lofty, lightweight synthetic insulation, the Sierra Designs Synthesis 35 Degree sleeping bag offers warmth regardless of wet or dry conditions and is ideal for cool-to-warm weather backpacking or camping. It delivers excellent performance at a budget-friendly price.

The bag is insulated with synthetic insulation that doesn't shy away from challenging conditions. Unlike down, it continues to insulate even if it becomes wet. A 20D nylon ripstop exterior further helps to fend off the elements and a nylon taffeta interior enhances comfort.

The bag has a weight-and-space saving mummy cut, but also includes some interesting comfort features. Dual zippers at the top of the bag provide configurable versatility so you can fold down the face of the bag or pull it close around you. Small extensions increase coverage to mimic the feel of a comforter. A draft collar helps to seal out the cold and patented self-sealing foot vents let you cool off in warmer temperatures.

The Sierra Designs Synthesis 35 Degree sleeping bag is available in Regular (fits up to 6' 0') and Long (up to 6' 6') lengths.

A stuff sack and storage bag are included.

  • SierraLoft synthetic insulation provides lofty warmth
  • Dual zipper system for ease of use
  • Patented self-sealing foot vents for fast and easy ventilation
  • Draft dodger collar helps prevent drafts
  • 20D Nylon ripstop fabrics for lightweight versatility

6' 6" Specs

Length (Long): 82 in.
Stuff / Compression Sack Dimensions: 15 x 7.5 in.
Features: Insulated, Venting
Bag Weight (Regular): 36 oz
Bag Weight (Long): 38 oz
Sleeping Bag Shell: 20D Nylon Ripstop
Fill Weight (Regular): 23 oz
Fill Weight (Long): 25 oz
Max User Height (Long): 6 ft 6 in.

6' Specs

Foot Circumference (Regular): 40 in.
Foot Circumference (Long): 42 in
Shoulder Circumference (Regular): 62 in.
Shoulder Circumference (Long): 64 in.
Length (Regular): 76 in.
Gender: Mens
Best Use: Winter Camping
Insulation: Synthetic
Temperature Rating: 31 - 40 Degrees Fahrenheit
Exact Temperature Rating: 35 Degrees Fahrenheit
Sleeping Bag Shape: Mummy
Max User Height (Regular): 6 Feet