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- 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 Women's -1C Fitted front draft collar: scalloped over the neck and oversized at the shoulders. Trek Women's -9C 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 men'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
- Compression Sack: 26 Litres
- Fill Weight: 800g
- Max Height: 170cm
- Season Rating: 3.5
- Weight: 1612g