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Sea to Summit Women's Altitude 25F Sleeping Bag - Moosejaw
 
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Sea to Summit Women's Altitude 25F Sleeping Bag
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Sea to Summit Women's Altitude 25F Sleeping Bag

Sea to Summit Women's Altitude 25F Sleeping Bag is rated 4.9 out of 5 by 20.
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4.9 Star Rating
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Product Description
Item No.   10428627
Down Insulation
Insulated

FEATURES of the Sea to Summit Womens's Altitude 25F Sleeping Bag

  • 5 Side zip has two sliders for easy access and extra ventilation
  • Large internal security pocket
  • Includes lightweight Ultra-Sil compression bag for compact storage
  • Designed for high altitude mountaineering and arctic conditions
  • Tightly sized, paneled hood fits snugly for maximum warmth retention
  • Anatomically shaped and oversized footbox
  • Vertical baffles over the chest
  • ULTRA-DRY Down treatment protects the down from external moisture and internal condensation
  • Free-Flow Zip system comprises
  • Half zip on the right side of the bag to provide freedom of movement for both arms and ventilation
  • Two-way left side zip to provide easy access and additional ventilation

Product Specifications
Features: Insulated, Ultralight
Fill Weight (Regular): 18.3 oz
Fill Weight (Long): 20.5 oz
Max User Height (Long): 72 in.
Foot Circumference (Regular): 46 in.
Foot Circumference (Long): 48 in.
Shoulder Circumference (Regular): 58 in.
Hip Circumference (Regular): 58 in.
Shoulder Circumference (Long): 60 in.
Hip Circumference (Long): 60 in.
Ultralight: Yes
Weight (Regular): 38 oz
Product Technology: Sea to Summit THERMOLITE, Sea to Summit 150 ULTRA-SIL, Sea to Summit ULTRA-DRY Down
Weight (Long): 41 oz.
Disclaimer: We only ship this brand to US Addresses.
Gender: Womens
Best Use: Backpacking
Insulation: Down
Temperature Rating: 21 - 30 Degrees Fahrenheit
Exact Temperature Rating: 25 Degrees Fahrenheit
Sleeping Bag Shape: Mummy
Max User Height (Regular): 67 in.
Zipper Side: Left
THERMOLITE

THERMOLITE
THERMOLITE is a high loft synthetic insulation. It features hollow-core and solid core fibers, which combine to provide lightweight warmth that stands up to constant use. When placed inside the Air Sprung Cells of Sea to Summit sleeping pads, it prevents heat loss from your body to the ground.

Check Out All THERMOLITE Products >

15D ULTRA SIL

15D ULTRA-Sil
15D ULTRA-Sil is a lightweight waterproof fabric. Built to withstand the storm, but with less weight and a smaller packed size. The fabric is a 15 Denier Sil/PU coated nylon, rated to 12,000mm. This way you and your gear stays dry.

Check Out 150 ULTRA-SIL Latch Products >

Sea to Summit ULTRA-DRY Down

Sea to Summit ULTRA-DRY Down
ULTRA-DRY Down is a treated insulator for Sea to Summit sleeping bags. ULTRA-DRY treated down repels moisture, so when your environment is damp, your gear stands a much better chance. The down will retain its loft, dry faster and is even anti-bacterial and anti-microbial, improving their life span. When conditions are bad, your bag doesn't have to be.

Check Out All ULTRA-DRY Down Products >

Product Reviews
Rated 4 out of 5 by from I got my sleeping bag, [This review was collected as part of a promotion.] I got my sleeping bag, and I’m super excited to try it. I love that it comes with both a compression sack and a storage bag. I wish the inner pocket for the phone was a little larger as my phone doesn’t quite fit.
Date published: 2023-03-09
Rated 5 out of 5 by from Money Well *Slept* ;) [This review was collected as part of a promotion.] This is hands down THE best sleeping bag I've ever owned! Well worth the investment!! I am obsessed with the color! & Its performance is immaculate! The zippers are easy to zip up & down without worry of snagging. & Even when the temps dropped during the night on my last camping trip, this fluffy bag kept me comfy & cozy all night without needing extra layers or a heater in my tent! I love my Sea to Summit sleeping system!!! (I only wish my new Aeros Down Pillows had arrived in time for this last trip!)
Date published: 2023-01-20
Rated 5 out of 5 by from Best Sleeping Bag! Buy it! I've had this sleeping bag for over 3 years (still going strong) and its been everywhere with me! From car camping trips to multi-day treks in all different climates, it will keep you comfy with all the different options. I thought I would want the lighter weight and more compact Flame Sleeping Bay by sea to summit, (and I am sure I would like it) however I am so glad I got the Altitude Bag instead. I love all of the options and configurations (mostly being able to unzip the foot box and stick my feet out when I want. To me It is worth the extra weight ! The bag keeps me warm when I need it and I can change the set up so I can stay cool if I need to as well. If you are considering this you will not regret buying it!
Date published: 2022-11-29
Rated 5 out of 5 by from The Best Love the roominess to roll around, the versatility of the zippers for hot or cold nights, and being able to zip it together with my boyfriend's bag.
Date published: 2022-11-16
Rated 5 out of 5 by from Perfect Love the look, feel, fit and pack ability of this bag. Used two nights at 30 degrees so far and toasty warm.
Date published: 2021-10-29
Rated 4 out of 5 by from Great bag! This bag is really comfy and cozy! It feels very light but definitely keeps the heat in! My sleeping pad failed on me on night 2 of a 2 night trip and the bag still kept me reasonably warm. I think I would pair it with one of the liners for Alberta's unpredictable shoulder seasons, but I love how versatile it is. I have tried zipping it together with my boyfriend's bag and we were very comfy, almost too warm! If I feel claustrophobic in it I simply unzip the half zip on the off side and it gives my arms a little room to splay out. After about 5 uses I am noticing some of the down coming out so hopefully this is just a normal thing and won't turn into a big issue. I also love the color (not pink!! Woohoo!)
Date published: 2021-09-07
Rated 5 out of 5 by from Best sleep I’ve ever had. Best sleep I’ve ever had. Perfectly controlled temp all night. It’s a little high maintenance in that it’s so delicate but worth it to save so much weight. Love it.
Date published: 2021-08-12
Rated 5 out of 5 by from Light and warm I bought this before a backpacking trip in the Eastern Sierra and it was great! Super lightweight but still warm and really comfortable. Nice color too
Date published: 2021-07-01
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Size Guide