Sea To Summit Treeline ATLI Sleeping Bag
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 Jul 7 - Jul 12

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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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Angela Guillermo
Phoenix, US
★★★★★ 5
De acuerdo a lo esperado
Size: 1 Little Kid, Color: Lavender
Muy buena calidad y medida correcta
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Reviewed in the United States on September 8, 2025
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MANUEL U.
Natrona Heights, US
★★★★★ 5
Excelente en todo sentido
100% Recommended; expected product and excellent service from the seller. Package received in Colombia, without problems. 100% Recomendado; producto esperado y excelente servicio del vendedor. Paquete recibido en Colombia, sin problemas.
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Reviewed in the United States on August 14, 2024
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Vicki
Pawtucket, US
★★★★★ 3
Narrow
Size: 11.5 Little Kid, Color: Lavender
These were so cute, but run narrow. My daughter tried wearing them but she kept complaining they were too tight. Wish we could love them because I love how easy this brand is for my daughter to get on her feet
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Reviewed in the United States on August 19, 2025
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Goku
Massapequa, US
★★★★★ 5
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Excelente 👌
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Reviewed in the United States on December 17, 2024
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Angela Guillermo
Lake Worth, US
★★★★★ 5
De acuerdo a lo esperado
Size: 1 Little Kid, Color: Lavender
Muy buena calidad y medida correcta
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 8, 2025

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