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Ascent Women's -1C/30F Down + Sea To Summit

Ascent Women's -1C/30F Down

Natural down sleeping bag - Women’s - Ascent Women's -1C/30F Down - Sea to Summit - 2027

€319.90
€399.90
-20%
Choose your size
Mandatory
In stock
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Ascent Women's -1C/30F Down
€319.90
€399.90
-20%
univers marques
Not subject to promotional offers
delivery Home delivery from 01/10/2026
return 60 days to change your mind
no special offer No subject to promotional offers
Get €6.40 off your next order.
Description

The women's sleeping bag Ascent -1C/30F Down from Sea to Summit is a 3-season sleeping bag perfect for short adventures.

This model is part of the Trailblazer range, designed to offer lightness, reliability, and durability. The features of this sleeping bag allow you to use it worldwide and accompany you on all your adventures. To achieve this, the sleeping bag is filled with RDS-certified duck down with a fill power of 750 CUIN, treated with Ultra-Dry Down to make it highly resistant to moisture, and therefore more insulating. The baffles are vertically aligned at chest level to prevent the down from shifting and to ensure even protection and good heat retention for a comfort temperature of 3ºC.

This model features a Free Flow two-way zipper to provide better airflow and ventilation when temperatures rise. There is a full-length main zip, as well as a second half-length zip on the opposite side. The foot section zipper is also two-way. A spacious design, an adjustable collar drawcord with space for a pillow, and a technical adjustable hood are additional details that will make a difference in your comfort. The cut, specially adapted to the female morphology, offers unparalleled comfort. The Ascent -1C/30F Down is a warm, comfortable, and versatile sleeping bag for perfect nights from spring to autumn!

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The Ascent Women's -1C/30F Down sleeping bag for women from Sea To Summit is the perfect sleeping bag for short adventures.

This model is part of the Wayfarerrange, offering durable products that are easy to carry on your adventures. Lightness and reliability are two key qualities.

Ascent -1C/30F Down gives you the ability to use it all over the world and accompany you on all your adventures. To achieve this, this bag is made from RDS 750+ duck down and a Ultra-Dry Down treatment for better insulation and compressibility. It has vertically-positioned padding around the chest to prevent the down from moving and ensure even protection and a good supply of warmth.

This model has a two-way Free Flow zip for better air circulation and ventilation when the weather warms up. There's a main zip running the full length, and a second half-length zip on the other side. The foot zip also has two zippers. A spacious design, a drawcord adjustment at the collar with space for a pillow and the Technical Regular Hood are the extra details that will make all the difference to your comfort.

Finally, this version has a Mummy Fit shape specially designed for women, providing better thermal performance with good heat retention.

Ascent Women's -1C/30F Down is a warm, comfortable and adaptable sleeping bag for a comfortable night's sleep!

Ascent Women's -1C/30F Down
Discover related categories
Technical details
Comfort temperature
-1
Sleeping bag shape
Mummy
Insulation type
Down
Use - sleeping bag
Trekking
Overview
Brand
Sea To SummitSea To Summit-logo
Warranty
2
Year
2027
Season
Autumn
Gender
Women
Product details
Weight (g)
893
Shoulders (cm)
76 ,  73
Feet (cm)
55
Length (cm)
185 ,  170
Compressed volume
10
Technical details
Composition
Nylon 20D, Duvet naturel certifié RDS
Seasons
2 ,  3
Combinable
Yes
Performance
Extreme temperature
-36
Comfort temperature limit
-8
Use type
14613 ,  14605
Filling
Down
Fill power (cuin)
750
Other features

- Zipped Footbox
- Generous and adjustable hood with 2 adjustment points
- Compatible with a Sea to Summit pillow
- Can be paired
- FreeFlow zip system
- Double collar and drawtube
- Full-length main closure with zip guard and 2 sliders
- Secondary closure over 1/3 length with zip guard and 2 sliders
- PFC-free product

Composition:
- Filling: 750 CUIN goose down
- Outer fabric and lining: 20D recycled nylon
- Hood and feet: 10D nylon

Sizes:


Size Regular Long
Max user height 1.70 m 1.85 m
Shoulder width 73 cm 78 cm
Hip width 70 cm 75 cm
Foot width 55 cm 60 cm
Total weight 893 g 459 g
Filling weight 459 g 520 g
Compressed volume 13 L 13 L




Ultra Dry Down DWR treatment applied to the down. In damp conditions, it retains 60% more heat, absorbs 30% less moisture, and dries 60% faster than untreated down.
Responsible Down Standard - RDS The RDS standard ensures down and feathers come from ducks and geese that are well treated, healthy, and able to express their natural behaviours, without experiencing pain, fear, or distress. This standard covers the entire supply chain, from farming to the finished product.
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Regular
- Maximum user height: 170cm
- Total weight: 893g
- Fill weight: 459g
- Compressed bag size: 10 L
- Shoulder width: 145cm
- Waist width: 140cm
- Feet width: 109cm

Long
- Maximum user height: 185cm
- Total weight: 1002g
- Fill weight: 520g
- Shoulder width: 155cm
- Waist width: 150cm
- Feet width: 119cm

- Comfort temperature: -1°C
- Temperature limit: -8°C
- Extreme temperature: -26°C

- Cocoon-shaped
- Foot box without zip
- Free Flow closure for better air circulation and ventilation
- 2 closure systems (1 main full-length, 1 secondary half-length)
- Adjustment cord
- Space for a Sea To Summit pillow
- Technical Regular Hood
- Mummy Fit : special women's cut

Materials:
- Filling: Goose down with waterproof Ultra Dry Down treatment
- Filling power: 750+
- PFC-free
- 20D recycled nylon shell and lining

Responsible Down Standard (RDS):
100% of the down used in our sleeping bags and duvets is independently certified according to the RDS standard (Responsible Down Standard). The RDS ensures that animal welfare requirements are met and that they are monitored from source to end product. The purchase of RDS-certified products demonstrates the demand for better animal welfare practices in the down and feather supply chain. Sea to Summit is RDS certified.

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