SKU: 11484626042

Sea To Summit Treeline ATLI Sleeping Bag

Sale price$143.55 Regular price$159.50
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Ships within 48 hours · Estimated delivery Sep 11 - Sep 16

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For Your Every Summer RSVP, with Code: SUMMER15

Description

Sea To Summit Treeline ATLI Sleeping BagSimple and durable, yet refined, your perfect companion for uncomplicated summer adventures. The Treeline Sleeping Bag is a budget down bag that is ideal for three season use when youre confident the temperature wont drop far below freezing. This bag is a relaxed mummy shape, with extra space around the hips and shoulders and a fitted hood to keep your head snug. With a 2C comfort rating and a 3 lower limit, the Treeline is perfect for three season

Simple and durable, yet refined, your perfect companion for uncomplicated summer adventures.

The Treeline Sleeping Bag is a budget-down bag that is ideal for three-season use when you’re confident the temperature won’t drop far below freezing.

 

This bag is a relaxed mummy shape, with extra space around the hips and shoulders and a fitted hood to keep your head snug. With a 2°C comfort rating and a -3° lower limit, the Treeline is perfect for three-season use when conditions won’t dip below freezing. The outer shell and lining are made from 50D nylon, which makes it durable enough to take camping with the kids and even the dog. The fill is comprised of 400g of compressible R.D.S certified lofty 600+ down for warmth, and it has a two-way YKK #5 side zip with an anti-snag system so you can ventilate on balmy nights.

Heat won’t escape through the zipper as there’s a draft tube to prevent that, and you can pop your phone or other essentials in the internal chest pocket. If you’re in need of a wallet-friendly down bag for three-season adventures – the Treeline Sleeping Bag from Sea to Summit is the one for you.

  • Relaxed mummy shape with fitted hood for a little more wriggle space while still providing efficient warmth
  • Super-compressible and lofty RDS 600+ Down
  • 50D Nylon shell and lining fabric provide extra durability while still offering good compressibility
  • Internal chest pocket is perfect for keeping valuables secure, or batteries warm
  • Draft tube prevents heat loss through the zipper
  • Internal draw cords in the hood and neck draft tube for streamlined exterior finish
  • Two-way YKK #5 side zip with anti-snag system for easy access and ventilation options
  • Supplied with stuff sack and storage cell for compact storage
  • This bag is designed to pair with another

Weight:  0.97Kg

Temperature Rating: Comfort: 2° / Limit: -3°/ Extreme: -19°

Materials:

Outer shell: 50D Nylon shell 
Inner Fabric: 100% Polyester
Insulation:  RDS 600+ Down
Down Fill Weight:  600g 

 

 

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 11484626042

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4.5 ★★★★★
Based on 15 reviews
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G
Verified Purchase
Gary
Cuba, US
★★★★★ 5
UPERGO Vertical Laptop Stand Review
Color: Black Walnut, Color: Black Walnut
I was absolutely blown away by the solid construction and impressive heavy weight of the UPERGO Vertical Laptop Stand. This stand securely holds my iPad Pro 13-inch with Magic Keyboard in a perfectly snug position, and adjusting it is a breeze with the included tool for the four screws on the bottom. The balance and heft of the stand are just right, giving me complete confidence that it will hold laptops, iPads, or any other devices I want neatly tucked away. Since purchasing this stand, I’ve found it fits perfectly beside my desk riser, tucking nicely out of the way and helping to organize my other devices. It has opened so much needed desk space and added a touch of order to my workspace. I highly recommend this stand to anyone looking to improve their organization—whether it’s on a nightstand, desk, table, or anywhere else you need a reliable and stylish solution.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 17, 2026
K
Verified Purchase
Kait
Alexandria, US
★★★★★ 5
Very well made and easy to use
Color: Black Walnut
Love the look. Pair perfect with my office. Very easy to adjust width. Heavy and well made
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 15, 2026
D
Verified Purchase
Dominic Nuñez
Fort Morgan, US
★★★★★ 5
Definitely pick one up!
Color: Black Walnut, Color: Black Walnut
This stand looks great, the material has a nice finish, and the quality is really good. It holds two MacBooks very comfortably. It doesn’t take up much space and has a good weight to it so it will not move easily. Great buy!
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Reviewed in the United States on May 26, 2026
A
Verified Purchase
Amazon Customer
Boise, US
★★★★★ 5
Finally a dual vertical stand with a stable build, quality materials, and snug fit for MacBook Pro
Color: Black Walnut, Color: Black Walnut
I don’t normally write reviews but I’ve had so much trouble finding an adequate vertical stand for two MacBook Pros that doesn’t worry me every time I look at it. I can finally say with confidence that I won’t need to replace this one. Not only is this stand attractive, it is simply a lot more sturdy than the all-metal “industrial” stand that it will replace because my MacBooks fit into it without wobbling, it has a wide surface area base, and its overall fairly heavy due to a solid wood + solid metal build. This vertical stand stands apart in the two areas that my previous two stands have failed at: 1. A snug fit with a protective lining so that the laptops don’t wobble and bump into each other (the dual Omoton I have suffers from this terribly where the laptops bump and lean against one another) 2. A solid base with enough weight to prevent the stand from tipping over from an accidental bump (my single-laptop human centric mount is beautiful, but the base is too light and narrow so that any decent contact feels that it might tip over) This stand has a very solid build quality with a nice weight to it which is comforting when potentially storing two expensive pieces of hardware in a vertical orientation that lends to tipping over (MacBook Pros are absurdly well over $2k a piece now on average). This is now the third vertical stand I’ve purchased for my two MacBook pros (work & personal). It’s not my third because I compulsively purchase things I don’t need (though I do do that), but rather because the previous two models felt unstable and carried a greater risk of damaging a few thousand dollars in equipment. Anyway, this is my first purchase from this brand but I highly recommend!
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Reviewed in the United States on January 23, 2025
P
Verified Purchase
P. C.
Phoenix, US
★★★★★ 5
Perfect!
Color: Black Walnut, Color: Black Walnut
Amazing! I work off two laptops and this keeps them organized and aesthetically pleasing. True to color. Super sturdy. Doesn’t slide around. Shown in pic on far right.
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Reviewed in the United States on March 20, 2026

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