Sleeping Bag Sea to Summit Trek -9C Down Regular Summer 2025
The Trek down sleeping bag brings the comfort of a tapered-rectangular mummy shape and the versatility of a dual-zip ventilation system to wherever your travels may take you. The Free Flow Zip System comprises of a full-length side zip and secondary foot box zip allow you to increase ventilation or open the Trek completely flat like a duvet, and the quality down will keep you warm and snug on chilly nights.
The Trek down sleeping bag brings the comfort of a tapered-rectangular mummy shape and the versatility of a dual-zip ventilation system to wherever your travels may take you. The Free Flow Zip System comprises of a full-length side zip and secondary foot box zip allow you to increase ventilation or open the Trek completely flat like a duvet, and the quality down will keep you warm and snug on chilly nights.
SKU: ASL041172-050203-ss2025
- ULTRA-DRY Down 650+ Loft 85% Down Cluster Premium Duck Down certified Responsible Down Standard (RDS)
- Full-length YKK® #5 main side zip and foot box zip provide superior ventilation and allow the bag to be used as a comforter
- Shaped hood and oversized zip draft tubes (Trek -12°C also has a draft collar, fits snugly around shoulders) to seal in warmth and keep cold out
- Internal pocket for phone / GPS / valuables
- Vertical chest baffles, horizontal baffles lower half and base, box wall baffle construction throughout.
- Trek -1C & -9C Fitted front draft collar: scalloped over the neck and oversized at the shoulders. Trek -18C/0F Double draft collars: fitted front collar and tubular back collar.
- QuiltLock system allows one of our quilts to be locked into place over the top of the Trek, giving you modular and versatile sleeping bag
- Includes lightweight Ultra-Sil compression bag and storage cell
- Form a snug double sleeping bag by zipping to any women's Sea to Summit sleeping bags
- Sustainable construction with 100% recycled 20D polyester shell and lining, a PFC free water repellent coating and RDS down
Detailed description
- ULTRA-DRY Down 650+ Loft 85% Down Cluster Premium Duck Down certified Responsible Down Standard (RDS)
- Full-length YKK® #5 main side zip and foot box zip provide superior ventilation and allow the bag to be used as a comforter
- Shaped hood and oversized zip draft tubes (Trek -12°C also has a draft collar, fits snugly around shoulders) to seal in warmth and keep cold out
- Internal pocket for phone / GPS / valuables
- Vertical chest baffles, horizontal baffles lower half and base, box wall baffle construction throughout.
- Trek -1C & -9C Fitted front draft collar: scalloped over the neck and oversized at the shoulders. Trek -18C/0F Double draft collars: fitted front collar and tubular back collar.
- QuiltLock system allows one of our quilts to be locked into place over the top of the Trek, giving you modular and versatile sleeping bag
- Includes lightweight Ultra-Sil compression bag and storage cell
- Form a snug double sleeping bag by zipping to any women's Sea to Summit sleeping bags
- Sustainable construction with 100% recycled 20D polyester shell and lining, a PFC free water repellent coating and RDS down
Technical Specifications