The Sea to Summit Trek Down Sleeping Bag offers the ideal blend of comfort and versatility for adventurers on the move. Its tapered-rectangular mummy shape ensures coziness while the dual-zip ventilation system allows you to moderate airflow. With quality down insulation, this bag keeps you warm on chilly nights, making it perfect for any outdoor adventures.

Features:- 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

Tech Specs:Best Use- All outdoor activitiesComes With- Ultra-Sil Compression Sack & Storage CubeInsulation- Ultra-Dry Duck Down 650+ LoftMaterial(s)- Recycled 20-Denier Polyester shell and lining.Shape- Semi-rectangular fit: Spacious and generous, a roomy fit for car camping and the occasional overnighter.Bag Weight- Regular: 1119g- Long: 1253gCompression Sack - 13lFill Weight - Regular: 380g- Long: 437gFits Up To Height - Regular: 185cm - Long: 198cm Temperature Rating (En Lower Limit)- -1ºC