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Description
HiberNest 30 ShortRoll out the backcountry red carpet with the Marmot HiberNest 30 Short. A plush, roomy 650 fill down sleeping bag that packs small and opens into a big quilt. Wide mummy curves give you room to stretch out, roll around, and recharge in any position, anywheretent, hut, or van. Want more room to sprawl? The snag free zipper wraps all the way down and around your feet to convert your bag into a quilt with extended blanket flaps for big comfort and a
Roll out the backcountry red carpet with the Marmot HiberNest 30 Short. A plush, roomy 650-fill down sleeping bag that packs small and opens into a big quilt. Wide mummy curves give you room to stretch out, roll around, and recharge in any position, anywhere—tent, hut, or van. Want more room to sprawl? The snag-free zipper wraps all the way down and around your feet to convert your bag into a quilt with extended blanket flaps for big comfort and a little taste of home. Light, durable ripstop shell with water-shedding DWR and our Down Defender treatment keeps your bag lofty and warm, even if things get wet or humid.
- Unzip the main zipper and side zip all the way to use this mummy-style bag like quilt
- Roomy dimensions for side, back, and stomach sleepers
- Certified 650 fill power down with Down Defender water-resistant treatment that helps prevent down clumping for loft-retaining, quick-drying warmth in wet conditions
- 100% recycled shell and lining fabrics
- Internal stash pocket for your phone or watch
- Draft tube seals in warmth and helps prevents heat loss when moving during sleep
- ISO tested for reliable temperature rating
- Compression sack and storage bag included
- Gender-free design is available in standard, short, and long sizes
- Left Zip
- Bag Temperature: 30°F (-1°C)
- Tested Comfort: 34°F (1°C)
- Tested Limit: 24°F (-5°C)
- Footbox Size: 49.6" inch, (126 cm)
- Hip Girth: 60.6 inch (154 cm)
- Includes Compression stuff sack and storage sack
- Insulation Material: Down defender, 650 Fill Power, Duck Down
- Insulation Type: Duck Down
- Shoulder Girth: 60" inch (152 cm)
- Stuff Sack Size: 7.5" x 16.1" inch (19 x 41 cm)
- Product Weight: 2 lbs 3.2 oz (997 g)
- Product Care: Machine Wash Cold, Use Liquid Detergent, Do Not Use Powdered Detergent, Gentle Cycle, Tumble Dry Low, Do Not Iron, Do Not Bleach, Do Not Use Fabric Softener, Rinse Twice, Do Not Store Wet
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 27 reviews
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Product Reviews
★★★★★ 5
Impressive Sound Deadening Solution with Enhanced Audio Quality
Model: NewSLS50_52
I recently purchased the Siless 50 mil (1.3mm) 52 sqft Car Sound Deadening mat, and I am delighted with the results it has delivered. Right from the start, I was impressed with the packaging, which ensured the product arrived in perfect condition.
One of the standout features of this sound deadening mat is its ease of use. It was a breeze to cut and modify according to my specific needs. Whether I needed to cover specific areas or customize the size, the mat accommodated my requirements effortlessly. This flexibility made the installation process a breeze.
The Siless Sound Deadening mat has proven to be highly effective in reducing outside noise within my vehicle. With just a half cabin install, I noticed a significant reduction of approximately 10 decibels, making my driving experience much quieter and more comfortable. The mat acted as a reliable barrier against external noise, allowing me to enjoy a more peaceful ride.
Furthermore, the sound quality from my vehicle's audio system experienced a noticeable improvement. The Siless mat effectively dampened vibrations and minimized resonance, resulting in cleaner and more refined audio output. The mat's thickness of 50 mil (1.3mm) ensures optimal sound absorption, contributing to its effectiveness in creating a quieter and more enjoyable driving environment. I can now appreciate the full range of tones and enjoy a more immersive music experience during my drives.
Overall, I highly recommend the Siless 50 mil Car Sound Deadening mat for anyone seeking a reliable and effective solution to reduce noise and enhance audio quality in their vehicle. The easy cutting and modifying process, along with the excellent packaging, contribute to a seamless installation experience. With a significant reduction in outside noise and an improvement in sound system performance, this sound deadening mat has exceeded my expectations.
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Reviewed in the United States on May 27, 2023
★★★★★ 5
Good quality sound deadener at a good price.
Model: NewSLS50_52
Quality sound deadening that adheres to body panels well. You can easily hear the vibration reduction after just the first piece by tapping on the body panel before and after.
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Reviewed in the United States on November 21, 2025
★★★★★ 4
Good stuff at a good price
Model: NewSLS50_52
Works well and sticks well. I used a roller and it has been over a year and everything still sticking as good as day i put it everywhere. I didnt use any adhesive but I did wipe everything down with acetone before I applied. Good stuff at a good price
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Reviewed in the United States on November 23, 2025
★★★★★ 5
Good value
Model: NewSLS50_52, Model: NewSLS50_52
Working perfectly. Install of stereo equipment and carpet left me wanting some heat and sound resistant materials.
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Reviewed in the United States on March 23, 2026
★★★★★ 5
BUY THIS ONE!
Model: NewSLS50_52
This is one of the good ones. There are other brands just as good, and manny brands are worse, but this handles well, rolls down easily, doesn't come off at all easily, and adapts to dips and curves like a champ.
Appropriately heavy and dead, I'm happy with the way it smothers panel resonances and even at muffling direct sound, like a big hand over my Uncle Harry's eternally noisy mouth. You can rip the foil but you have to work hard at doing that.
Remember to buy a brayer; you can roll overlaps nice and thin. Also remember to pre-wipe the sheet metal with a decent solvent like acetone or Stoddard/Varsol. It should last forever.
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Reviewed in the United States on April 26, 2025