






Natural down sleeping bag -
The Trek -1C/30F Down is a 3-season sleeping bag from the brand Sea to Summit.
With its streamlined mummy shape, high-quality duck down certified to the Responsible Down Standard with a fill power of 650 CUIN, this model will accompany you through nights from early spring to late autumn. The down benefits from the Ultra Dry Down water-repellent treatment, providing excellent resistance to water and humidity. The 10D recycled nylon construction prevents condensation on the outer shell for increased comfort.
The shape of this sleeping bag is designed to fit your body shape, and the FreeFlow zip closure retains heat. The hood is ergonomic and adjustable. This model will protect you from the cold down to -1 °C. Very compact, it can easily be slipped into your hiking backpack. This sleeping bag is an essential companion for your hikes and bivouacs from early spring to late autumn!


- Optimal warmth-to-weight ratio
- Semi-rectangular cut
- Resistant to moisture and condensation
- Zipper with zip guard and 2 sliders
- PFC-free product
- RDS-certified down
Composition:
- Filling: Goose down
- Outer fabric and lining: Recycled polyester
| Size | Regular | Long |
| Max user height | 1.85 m | 1.98 m |
| Shoulder width | 79 cm | 84 cm |
| Hip width | 75 cm | 80 cm |
| Foot width | 60 cm | 65 cm |
| Compressed volume | 13 L | 13 L |
| Weight | 1119 g | 1253 g |
| Filling weight | 380 g | 437 g |
| Responsible Down Standard (RDS) | The RDS standard guarantees down and feathers sourced from ducks and geese that are well treated, living healthy lives, and expressing their innate behaviours without experiencing pain, fear, or distress. This standard covers the entire supply chain, from farming to the final product. |
| Ultra Dry Down | A water-repellent treatment applied to the feather. In wet conditions, it allows the feather to retain 60% more heat, absorb 30% less moisture, and dry 60% faster than untreated feathers. |