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Sierra Designs Synthesis 20 Degrees Sleeping Bags

Sierra Designs Synthesis 20 Degrees Sleeping Bags, Regular, 90613619R
Sierra Designs Synthesis 20 Degrees Sleeping Bags, Regular, 90613619R
Sierra Designs Synthesis 20 Degrees Sleeping Bags, Regular, 90613619R
Sierra Designs Synthesis 20 Degrees Sleeping Bags, Regular, 90613619R
Sierra Designs Synthesis 20 Degrees Sleeping Bags, Regular, 90613619R
Sierra Designs Synthesis 20 Degrees Sleeping Bags, Regular, 90613619R
Sierra Designs Synthesis 20 Degrees Sleeping Bags, Regular, 90613619R
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Sierra Designs Synthesis 20 Degrees Sleeping Bags, Regular, 90613619R
Sierra Designs Synthesis 20 Degrees Sleeping Bags, Regular, 90613619R
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Sierra Designs Synthesis 20 Degrees Sleeping Bags, Regular, 90613619R
Sierra Designs Synthesis 20 Degrees Sleeping Bags, Regular, 90613619R
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Sierra Designs Synthesis 20 Degrees Sleeping Bags, Regular, 90613619R
Sierra Designs Synthesis 20 Degrees Sleeping Bags, Regular, 90613619R
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Sierra Designs Synthesis 20 Degrees Sleeping Bags, Regular, 90613619R
Sierra Designs Synthesis 20 Degrees Sleeping Bags, Regular, 90613619R
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Sierra Designs Synthesis 20 Degrees Sleeping Bags, Regular, 90613619R
Sierra Designs Synthesis 20 Degrees Sleeping Bags, Regular, 90613619R
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Sierra Designs Synthesis 20 Degrees Sleeping Bags, Regular, 90613619R

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Questions & Answers

Product Discontinued by Manufacturer

Sierra Designs Synthesis 20 Degrees Sleeping Bags has been discontinued by Sierra Designs and is no longer available. Our product experts have helped us select these available replacements below.You can also explore other items in the Camping Gear, Sleeping Bags yourself to try and find the perfect replacement for you!

Product Info for Sierra Designs Synthesis 20 Degrees Sleeping Bags

Built with SierraLoft synthetic insulation and lightweight material typically reserved for a higher price point, the Synthesis packs light but hits heavy with its feature set. A dual zipper system makes getting in and out a breeze and gives you room to move about, while the self sealing foot vent lets you vent heat with ease.image

Features of Sierra Designs Synthesis 20 Degrees Sleeping Bags

  • 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

Package Contents:

  • Sierra Designs Synthesis 20 Degrees Sleeping Bags

Sleeping Bag Accessories

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Sierra Designs Synthesis 20 Degrees Sleeping Bags Unavailable & Discontinued Models

List of Unorderable Models

  • Sierra Designs Synthesis 20 Degrees Sleeping Bags, Red/Black, Regular, 90613619R , MPN: 90613619R , UPC: 054003812085 , Code: Z58-SI-S29DE-90613619R
  • Sierra Designs Synthesis 20 Degrees Sleeping Bags, Red/Black, Long, 90613619L , MPN: 90613619L , UPC: 054003812092 , Code: Z58-SI-S29DE-90613619L
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Last updated 2026-10-28 UTC.