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Warm and dry for the winter.
Rated at 1F, the Ts3 Sleeping Bag from Sea To Summit will keep you warm when the mercury starts to really dip. Thanks to the highly compressible 750+ down fill, this bag is a perfect choice for ski touring and winter camping. The 2D Nanoshell fabric is highly breathable and water repellent so your down stays warm and lofty even after you brush up against condensation on your tent wall. Rest assured, the Ts3 is one asset you won't regret having with you when the snow starts to fly.
- EN rating is 1F at the lower limit (an average women's comfort level) and 16F in the comfort range (an average man's comfort level), making the Ts3 perfect for camping in the cold seasons
- Stuffed with 750+ down fill so you get maximum loft and warmth when the temperature starts to drop below freezing
- This bag is wrapped in 2D Nanoshell fabric that is incredibly breathable and water repellent so you don't have to worry about the down getting damp
- The hood has been engineered to fully cocoon your head without feeling claustrophobic while maximizing loft
- An adjustable collar inside the hood adjusts temperature levels and seals out bone-chilling drafts
- The YKK zipper's anti-snag system prevents pesky snags when you're getting in and out of the bag
- The relaxed mummy shape increases thermal efficiency and has a broader shoulder and larger hood than most mummy bags so you can move around comfortably
- The regular size Ts3 weighs in at just under three pounds, making it a pleasure to pack to your favorite winter camp
- Includes a lightweight Ultra-Sil compression bag, mesh storage cell, and laundry bag
- Item #STS0161
- Q & A
- Familiarity: I've used it once or twice and have initial impressions
So this is my first 0/1 degree bag, so it's hard for me to compare performance completely. But here's the gist:
I got this to do a winter camp in Rocky Mountain National Park. Estes Park, at a lower elevation, had temps into the low teens during that weekend. My campsite was very windy (selected for the view, not warmth), and my cheap thermometer seemed to indicate it was around 10 degrees in the 3 season tent, so perhaps lower outside.
I was chilly, but mainly because I was sleeping on snow and only had 1 sleeping pad. Threw a nalgene of warm water into my sleeping bag each night.
Seemed warm enough, but I typically sleep cold and am okay with not feeling my toes.
As far as features:
The zipper did snag a couple of times, but otherwise worked very smoothly. The hood cinched down well, and it was roomy enough inside the bag (a lot of 0 degree bags seem to have less space in order to save weight and warmth). 5'9" and 170 lb seemed to fit the regular great.
I definitely will take this out again for weather less than 0 degrees. I'm going to get a temperature logging device so I can see how it performs at different temperatures.
STS Talus Series
Is someone reading this? It doesn't make any sense. "EN rating is 1F at the lower limit (an average women's comfort level) and 16F in the comfort range (an average man's comfort level), making the Ts3 perfect for camping in the cold seasons"