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-20% | TREK20
Trek -9C/15F Down + Sea To Summit

Trek -9C/15F Down

Natural down sleeping bag - Trek -9C/15F Down - Sea to Summit - 2026

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399,90 €

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Trek -9C/15F Down
From
399,90 €
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Description

The sleeping Trek -9C/15F Down bag by Sea to Summit is a men's sleeping bag, ideal for your globetrotting adventures, from camping to nights in a van.

With a fill power of 650+ and a duck down design with treatment Ultra Dry Down, this bag provides warmth and comfort and ensures good water resistance and humidity resistance. Its recycled Polyester shell provides excellent durability, so that it Trek can accompany you on a multitude of adventures in a variety of climates and conditions.

Its semi-rectangular hybrid shape is both spacious and comfortable. The zip system FreeFlow allows for effective temperature regulation and provides you with more functionality for greater freedom of movement. The main zip provides an opening along the entire length and has a zip guard and two sliders. The secondary zip is half-length, and for even greater comfort and functionality, there is also a zip at the feet with two sliders.

Trek -9C/15F Down
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Technical details
Comfort temperature
-3
Sleeping bag shape
Mummy
Insulation type
Down
Use - sleeping bag
Trekking
Overview
Brand
Sea To SummitSea To Summit-logo
Warranty
2
Year
2026
Season
Spring
Gender
Unisex
Product details
Weight (g)
1436
Shoulders (cm)
84
Feet (cm)
65
Length (cm)
198
Compressed volume
20
Technical details
Composition
Duvet RDS 650+
Zip side
Droit Gauche
Seasons
3
Combinable
No
Performance
Extreme temperature
-28
Comfort temperature limit
-9
Use type
14605 14613
Filling
Down
Other features

- Semi-rectangular hybrid shape with hood
- Spacious and comfortable design
- 2 closing systems
- Full-length main zip with zip guard and 2 sliders
- Half-length secondary fastening with zip guard and 2 sliders
- Foot Zip with 2 sliders
- Down with RDS-certified Ultra Dry Down treatment
- PFC-free product

Composition :
- Filling : 650 CUIN goose down
- Outer material and Lining: Recycled polyester

Taille Regular Wide
Dimensions (cm) 185 x 158 198 x 168
Volume compressé (L) 10.6 12.2
Poids (g) 1436 1611
Poids du garnissage (g) 635 735




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 certifies animal welfare requirements and traceability from source to final product. Purchasing RDS-certified products demonstrates demand for better animal welfare practices in the down and feather supply chain. Sea to Summit is RDS certified.
650+ loft Ultra-Dry Down It is the third most lofting down used in sleeping bags and duvets. indicates Sea to Summit 650+ Fill Power that one ounce (30g) of down will re-expand to over 650 cubic inches after compression. A higher fill power means that less down is used to achieve the same temperature, which is important for high-performance sleeping bags. The loft and the quality/composition of the down are independently tested by the International Down and Feather Laboratory (IDFL) - a copy of the certification is provided with each sleeping bag Sea to Summit. The down comes from a responsible source, is RDS certified and is treated with our PFC-free Ultra-Dry Down™ treatment.
Free Flow Zip Our triple zip Free Flow allows your sleeping bag to retain maximum warmth and efficiency when needed, as well as multiple ventilation options when it is not. The (half) zip on the right side of the bag (left side on women's bags) provides freedom of movement for both arms, extra ventilation and allows the top third of the bag to be folded down to create a (mini) duvet when the temperature rises higher than expected.
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