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TETON Sports Altos Lightweight Mummy Sleeping Bag; Camping, Hiking, Backpacking

4.5 out of 5 stars 387 ratings

$161.77
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0f /Synthetic

Enhance your purchase

Size 84 x 32 x 3 inches
Closure type Zipper
Colour 0F/ Orange/ Synthetic
Outer material Nylon
Brand TETON Sports

About this item

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  • COMFORTABLE MUMMY BAG: Filled with down-like Spectrum S natural fibers to keep you warm; Lightweight mummy bag with more shoulder and leg room; Built-out footbox provides more room for your feet
  • TOUGH, DURABLE MUMMY BAG: Tear-resistant shell for rugged conditions; Soft nylon liner keeps you warm and comfortable
  • NEVER ROLL YOUR SLEEPING BAG AGAIN: TETON provides a great compression sack for stuffing your sleeping bag; Start at the bottom and stuff the bag in, then tighten the heavy-duty straps
  • SLEEP WARM: Fluff your sleeping bag and use a camp pad to sleep warmer; Hang loops for long-term storage to maintain maximum loft
  • TETON SPORTS PROMISE: Reach out to our AMAZING product support team if you have any questions or concerns; YOU CAN COUNT ON US to get you taken care of and back OUTDOORS with TETON Sports

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Frequently bought together

  • TETON Sports Altos Lightweight Mummy Sleeping Bag; Camping, Hiking, Backpacking
  • +
  • Sleepingo Camping Sleeping Pad (Large) - Ultralight 14.5 OZ, Best Sleeping Pads for Camping, Backpacking, Hiking - Lightweigh
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  • POWERLIX Sleeping Pad - Ultralight Inflatable Sleeping Mat, Best Self Serving Pad for Camping, Backpacking, Hiking - Airpad,
Total Price:
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Product Information

Technical Details

Additional Information

Product description

At a time when so many manufacturing processes are high on waste and low on sustainability, we bring you the Altos-S. A true backcountry sleeping bag with a positive environmental impact. It’s made with natural fibers and a cleaner, more efficient manufacturing process. The ALTOS-S Ultralight Mummy Sleeping Bag is a large mummy bag that comes in two different temperatures ratings—the burnt orange +20-degree bag and the TETON orange zero-degree bag. It’s filled with down-like synthetic Spectrum S™ fill that is warmer than traditional fill without sacrificing comfort. You’ll sleep soundly knowing we made it from natural fibers with the environment in mind. It’s extremely packable and lightweight but still provides a thick, warm loft to capture warm air and provide exceptional comfort. The 20D shell and liner are both ultra-lightweight and comfortable. The three-piece hood pulls in to contour to your face and keeps your head tucked in and warm. The ALTOS-S unzips from the top and bottom with both interior and exterior zipper pulls making it easy to get in and out of the bag. The zippers are fully taped with an anti-snag design and a full-length zipper draft tube. The hang loops on the exterior of the sleeping bag allow for easy hanging storage when not in use. The included compression sack makes packing quick and easy. It’s a bag made for ecological campers and backpackers just like you. It’s sustainable for the planet and comes to you at a lower cost. Bottom line, it’s a win-win-win!


From the manufacturer

Down sleeping bag, TETON Sports Down sleeping bag, Altos sleeping bag, TETON Sports ALTOS Ultralight
LEEF +20°F LEEF 0°F ALTOS 0°F ALTOS-S 0°F
Dimensions (inches) 87" x 34" (at the shoulders) x 22" (at the foot) (221 x 86 x 56cm) 87" x 34" (at the shoulders) x 22" (at the foot) (221 x 86 x 56cm) 84" x 32" (at the shoulders) x 17" (at the foot) (213 x 81 x 43cm) 84" x 32" (at the shoulders) x 17" (at the foot) (213 x 81 x 43cm)
Available Colors Green Black Blue, Black, or Red Burnt Orange, Orange
Temperature Rating +20°F (-7°C) 0°F (-18°C) 20°F, 0°F, -10°F (-7°C, -18°C, -23°C) 20°F, 0°F (-7°C, -18°C)
Pack Weight 3.5 pounds (1.6kg) 4.2 pounds (1.9kg) 2.43, 3.5, 4.2 pounds (1.1, 1.6, 1.9kg) 2.43, 3.5 pounds (1.1, 1.6kg)
Pack Size 14" x 8" x 8" (36 x 20 x 20cm) 15" x 9" x 9" (38 x 23 x 23cm) 14" x 7" x7", 15.5" x 9" x 9", 16" x 8" x 8" (36 x 20 x 20, 39 x 23 x 23, 42 x 25 x 25cm) 14" x 8" x 8" (35 x 20 x 20cm)

Customer Questions & Answers

Customer reviews

4.5 out of 5 stars
4.5 out of 5
387 global ratings

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Top review from Australia

Reviewed in Australia on 28 April 2021
Style Name: 0f /SyntheticVerified Purchase

Top reviews from other countries

Donald
5.0 out of 5 stars -23C bag held up to -27C with liner, winter sleeping pad, and winter tent.
Reviewed in Canada on 20 January 2017
Verified Purchase
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5.0 out of 5 stars -23C bag held up to -27C with liner, winter sleeping pad, and winter tent.
Reviewed in Canada on 19 January 2017
Great Value! I recently tested this bag on a 3 day winter trip. The first night dipped down to -27C and I was comfortable with a sleeping bag liner and the bag paired with sleeping pad R 7.4. The outside of the bag was wet due to condensation off tent wall in the morning (I was up against the wall of the 4 season tent as we crammed 3 larger guys into a "3" man tent). Have to say the hydrophobic MTN-DRY down fill keeps you warm even in wet claim definitely held up. The bag is a perfect fit for me, im 6' tall 190lbs athletic build. Packs relatively small and is decently light. Many pros for the price and my only cons would be: could have more water repellant outer and better drawstrings around the head.

If you are looking for an all around great value winter down bag, look no further!
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19 people found this helpful
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Elise
4.0 out of 5 stars Warm and lightweight!
Reviewed in Canada on 24 October 2019
Style Name: 0f /SyntheticVerified Purchase
5 people found this helpful
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Amazon Customer
5.0 out of 5 stars Excellent loft and warmth
Reviewed in Canada on 12 November 2018
Verified Purchase
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5.0 out of 5 stars Excellent loft and warmth
Reviewed in Canada on 12 November 2018
I bought this bag for my recent EBC Everest Base Camp Trek to Nepal. I used the bag from Oct 23 - Nov 1 every day during the Trek. This sleeping bag exceeded my expecations, it was exceptionally warm even at the highest tea house in Gorak Shep 5100m at -17C . I normally slept nude as you should in sleeping bags to prevent moisture from dampening your clothing. The only complaint is the zipper tended to snag while closing from inside. The anti-snag feature works well from outside the bag. One thing I did notice is when the bag was delivered took at least 4 days to obtain the proper loft. Down being compressed for so long in stuff bag gave me the initial impression would not loft up. Be patient when you 1st get bag and allow to reach max loft before placing back in stuff bag. Always store out of suff bag when not in use to maintian loft of down. During Trek the bag would loft up to proper amount in about an hour which is what is expected from compression sack. I would recommend this sleeping bag for anyone requiring a cold weather bag.
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7 people found this helpful
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Andrew Joanisse
2.0 out of 5 stars Just a fair warning this is not a down bag
Reviewed in Canada on 13 August 2021
Style Name: +20f Mummy Sleeping BagVerified Purchase
6 people found this helpful
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Dally
3.0 out of 5 stars Not that warm
Reviewed in Canada on 18 October 2020
Style Name: 0f /SyntheticVerified Purchase
One person found this helpful
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