Sleeping bag Sea to Summit Trailhead THII -7C Long Summer 2024
The Sea to Summit Trailhead THII – Long is a great all-purpose sleeping bag for extended camping trips, trekking, or van life. With its roomy design, effective insulation, and convertible functionality, it provides excellent value and performance. Whether you’re just starting out or upgrading your gear, this sleeping bag will keep you warm, dry, and comfortable—season after season.
The Sea to Summit Trailhead THII – Long is a great all-purpose sleeping bag for extended camping trips, trekking, or van life. With its roomy design, effective insulation, and convertible functionality, it provides excellent value and performance. Whether you’re just starting out or upgrading your gear, this sleeping bag will keep you warm, dry, and comfortable—season after season.
SKU: ATH3-L-ss2024
Spacious and Adaptable Design
Featuring a tapered rectangular shape, the Trailhead THII provides more room than traditional mummy bags, making it ideal for side sleepers or anyone who prefers extra space to move during the night. Despite the roomier fit, its shape is still efficient enough to retain heat effectively.
The bag uses WaveLoft™ synthetic insulation, a looped construction that traps warm air in large pockets for improved thermal performance. It offers reliable insulation even when damp, which is critical for unpredictable outdoor conditions.
You can unzip the bag completely to use it as a quilt, while a secondary zipper in the footbox allows for adjustable ventilation—perfect for changing weather or warmer nights. Integrated draft tubes and a semi-fitted hood help seal in warmth on chilly evenings.
Durable and Packable
The outer shell is made from 30D nylon with a non-PFC DWR treatment, helping to repel moisture while remaining lightweight. The soft 20D nylon lining ensures a comfortable sleep surface. The sleeping bag compresses down efficiently with the included stuff sack, making it easy to pack and carry.
Temperature Rating:
Comfort: -1°C (30°F)
Lower Limit: -7°C (19°F)
(Suitable for spring to autumn use)
Weight: Approx. 1,200 g
Packed Size (Compressed): Approx. 8.0 L
Insulation:
WaveLoft™ synthetic insulation – durable, moisture-resistant, and warm even when wet
Shell:
30D nylon with non-PFC DWR finish
Liner:
20D nylon – soft, breathable, and quick-drying
Shape:
Tapered rectangular (relaxed mummy) – more spacious than standard mummy bags
Zippers:
YKK #5 full-length side zipper with double sliders
Secondary footbox zipper for customizable ventilation and quilt functionality
Zipper draft tubes for extra thermal protection
Additional Features:
Semi-fitted hood with adjustable drawcord
Internal drawcord at the collar to prevent heat loss
Can be opened flat and used as a quilt
Includes lightweight compression stuff sack
Suitable for users up to approx. 198 cm tall
Detailed description
Spacious and Adaptable Design
Featuring a tapered rectangular shape, the Trailhead THII provides more room than traditional mummy bags, making it ideal for side sleepers or anyone who prefers extra space to move during the night. Despite the roomier fit, its shape is still efficient enough to retain heat effectively.
The bag uses WaveLoft™ synthetic insulation, a looped construction that traps warm air in large pockets for improved thermal performance. It offers reliable insulation even when damp, which is critical for unpredictable outdoor conditions.
You can unzip the bag completely to use it as a quilt, while a secondary zipper in the footbox allows for adjustable ventilation—perfect for changing weather or warmer nights. Integrated draft tubes and a semi-fitted hood help seal in warmth on chilly evenings.
Durable and Packable
The outer shell is made from 30D nylon with a non-PFC DWR treatment, helping to repel moisture while remaining lightweight. The soft 20D nylon lining ensures a comfortable sleep surface. The sleeping bag compresses down efficiently with the included stuff sack, making it easy to pack and carry.
Technical Specifications
Temperature Rating:
Comfort: -1°C (30°F)
Lower Limit: -7°C (19°F)
(Suitable for spring to autumn use)
Weight: Approx. 1,200 g
Packed Size (Compressed): Approx. 8.0 L
Insulation:
WaveLoft™ synthetic insulation – durable, moisture-resistant, and warm even when wet
Shell:
30D nylon with non-PFC DWR finish
Liner:
20D nylon – soft, breathable, and quick-drying
Shape:
Tapered rectangular (relaxed mummy) – more spacious than standard mummy bags
Zippers:
YKK #5 full-length side zipper with double sliders
Secondary footbox zipper for customizable ventilation and quilt functionality
Zipper draft tubes for extra thermal protection
Additional Features:
Semi-fitted hood with adjustable drawcord
Internal drawcord at the collar to prevent heat loss
Can be opened flat and used as a quilt
Includes lightweight compression stuff sack
Suitable for users up to approx. 198 cm tall