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Light, warm, comfortable and most importantly, adaptable. The Ascent™ is our sleeping bag of choice for most adventures, most of the time. Offering the perfect backpacking balance of comfort vs weight, our Ascent™ Series sleeping bags have more space than traditional mummy bags, yet still provide the thermal efficiency you need when exploring above the tree-line.
The Free-Flow triple-zip design ensures your sleeping bag retains maximum warmth and efficiency when needed and multiple ventilation options when it’s not. The half zip on the right side of the bag provides freedom of movement for both arms, additional ventilation and means the top third of the bag can be folded down as a mini quilt. The full length, two-way left side zip and separate foot zip transforms the bag into a full quilt for when the mercury climbs higher than expected.
If it’s warmth you’re after, close all the zips, pull the cord locks tight to drag everything in, and relax in luxurious comfort. The generous allocation of high quality 750+ Loft down ensures great insulation, while the oversized draft tubes prevents your body heat escaping. The panelled footbox and 3-dimensional hood make sure you’re not compressing the down when you’re trying to stay
warm. Vertical baffles over the chest section ensure the down insulation cannot migrate or shift to the outside of the bag during sleep, creating cold spots. A side block baffle construction maintains the 60/40 fill ratio, keeping more down on the top of the bag for maximum insulation.
Features:
- Tapered rectangular shape for perfect balance of space and adaptable warmth
- Super-light 20D Nylon shell and lining fabrics for minimal packed size and maximum breathability
- RDS 750+ Loft ULTRA-DRY Down™ for superior insulating power
- Vertical chest baffles prevent down migration and cold spots
- Free-Flow half right side, full length two-way #5 YKK left side and separate foot zips for freedom of movement, increased ventilation and dual-use as a quilt
- Oversized draft tube with anti-snag materials, prevents heat loss through zipper
- Oversized neck draft tube with a dual adjustment system for even cinching and maximum warmth
- Generously sized hood and dual cord adjustment for maximum warmth retention
- Anatomically shaped footbox allows maximum down lofting, minimising heat loss from your feet
- Large internal security pocket
- Includes Ultra-Sil™ Compression Bag for compact storage
- Zip Coupling: This bag can be zipped to the Sea to Summit Women’s Altitude, Journey and Venture sleeping bags
Specifications:
- Gender: Unisex
- Insulation Type: Down
- Down: RDS 90/10 Premium Duck Down
- Fabric: 20D Nylon
- Fill Power: ULTRA-DRY Down® 750+ Loft
- Fill Weight: Regular: 550g, Long: 615g
- Shape: Tapered Rectangle
- Temp Rating: EN -4°c Comfort to -10°c Lower
- Weight: Regular: 1110g, Long: 1195g
At trekkinn, we show all the characteristics of Sea to summit Ascent ACII Sleeping Bag. In our outdoor store, you can find different sizes of Sea to summit Ascent ACII Sleeping Bag. Secure payment and guaranteed shipment! In addition, discover more similar products of Sea to summit Ascent ACII Sleeping Bag and benefit from our other offers of outdoor equipment.
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5 / 5
11 Reviews
Perfect
Sarah - 15/02/2024
Exactly as advertised, incredibly warm and perfect for the alpine enviornments. I've used it twice since purchasing and love the colour and how lightweight it is. Easy to pack away, and love the additional side zip to allow for a litlte extra ventilation when it warms up in the night. Cheaper than buying it in person, just have to wait a little longer for it to arrive - totally worth it.
It's a magnificent bag
jesus Jorge - 31/01/2024
I have used it in a bivouac at a very low temperature and I can say that I have not felt cold at any time. It is warm, comfortable and has a very pleasant touch. It takes up little space and weighs little and the zipper does not get stuck like others. It is of great quality. I would return it. to buy
Very conformable and compact
Carlos - 19/05/2023
The sleeping bag is super confortable and very compact when packed. I used during my motorbike trips and appreciate the extra warmth and comfort at the end of the day.
Excellent sleeping
Carlos Garza - 30/08/2022
Better than I expected
1
pablo - 25/02/2022
good sack! lightweight and large enough to slip into a 40l backpack
Great sleeping bag
Alexandra - 13/03/2021
Very light and compact for its features. Very comfortable, pleasant to the body material
Good sack
Antonio - 18/02/2021
Good bag of good sports brand, light and with good performance.
Decent Sleeping Bag
Jevgenijs - 15/02/2021
The build quality and the construction is very nice. The bag packs to 4-6l very compact. Provided with storage bag and compression bag. Can't wait to test it outdoors.
Good quality!
Tobias - 25/09/2020
I like the placement of the zippers.
Nice sleeping bag
Jonathan - 01/10/2019
Good quality, soft, lightweight and compressive. Worth the 400
Sleeping bag sea to summit ascent acii
Abel - 25/07/2019
Good sack of three seasons. Good finish and not very high weight. It is a duck feather, for 5 euros more, the same goose feather model should be purchased, and it improves its weight by about 200 grams. Good compression. Bring the included compression system, so you don't need to buy one.
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