Sea to Summit Womens Trek -9C Down Sleeping Bag

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The Sea to Summit Women’s Trek -9C Down Sleeping Bag is perfect for cold weather camping. Its 650+ fill power duck-down insulation ensures warmth even in damp conditions. The semi-rectangular fit and Free Flow Zip System provide comfort and adaptability.

Sea to Summit says: 

The Trek Down Sleeping Bag is the perfect option for vehicle-based travels and overnight camping. With 650+ FILL Power, this versatile and spacious bag uses an ergonomic design to offer additional warmth and comfort.

Our Verdict

The Sea to Summit Women’s Trek -9C Down Sleeping Bag is an exceptional choice for those who enjoy cold weather camping. With a comfort rating of -8°C and a comfort limit of -16°C, it is perfect for adventures in cooler weather.

One of the standout features of this bag is its 650+ fill power duck-down insulation, which includes an ultra-dry-down treatment for enhanced water resistance. This makes it exceptionally reliable in damp conditions, ensuring the down maintains its insulating properties.

The semi-rectangular fit of the sleeping bag is not only spacious but also comfortable, making it ideal for car camping and shorter backpacking trips. The Free Flow Zip System is another notable feature, allowing for excellent temperature regulation and multiple configurations, providing freedom and comfort in any situation.

Constructed from recycled polyester, the bag is both durable and environmentally friendly. The thoughtful design includes double draft collars and a generous hood, which add to the overall warmth and comfort.

The Sea to Summit Women’s Trek -9C Down Sleeping Bag combines excellent insulation, innovative design, and comfort. It’s a versatile and reliable choice for any camper looking to stay warm and cosy on their outdoor adventures.

– Reviewed by Ultralight Outdoor Gear

Features

• Duck Down with Ultra Dry Down treatment for improved water  resistance in damp conditions.
• Recycled polyester offers durability and comfort for lightweight  adventures in a range of climates and conditions.
• The Free Flow Zip System offers temperature regulation and  multiple sleeping bag configurations for added freedom in the outdoors.
• The Semi Rectangular Fit features a spacious design for added  comfort and room that is best suited to car camping and  shorter adventures.

Specifications

Temperature Rating

• EN13537:2012 Comfort: -8°C | 27°F
• EN13537:2012 Comfort Limit: -16°C | 15°F

Specs

• Weight: 1614g (excludes storage bags)
  
• Fill weight: 800g
  
• Fits up to: 5.5 ft / 170cm
• Internal Width Shoulder: 145cm
• Internal Width Waist: 145cm
• Internal Width Feet: 120cm
• Compressd Size: 26L

Fit

• Semi-rectangular fit: Spacious and generous, a roomy fit for car camping and the occasional overnighter.

Materials & Construction

• Insulation: 650+ FILL Power, RDS-certified, Duck Down with Ultra Dry Down treatment for improved water resistance in damp conditions
  
• Fabric: Recycled 20-Denier Polyester shell and lining.
• Zipper: Free Flow Zip System: Primary zip – full length #5 with zip-plow and two sliders.
  Secondary zip – 1/2 length #5 with zip-plow and two sliders.
  Footbox zip – #5 with two sliders.
• Baffle Construction: Vertical chest baffles, horizontal baffles lower half and base, box wall baffle construction throughout.
• Collar: Double draft collars: fitted front collar and tubular back collar.
• Hood: Generous fitted hood with two soft touch adjustments. Fits a Sea to Summit regular pillow.
• Draft Tube: Single, synthetic-filled, draft  tube along the top of all zippers.
• Intergration: Pairs with Women’s Sea to Summit bags, and STS quilts.

Help & advice:

• Women’s Sleeping Bags – How do they differ?
• The Ultimate Guide to Lightweight Sleeping Bags
• Time-Saver Guide to Choosing a Sleeping Bag
• Sea to Summit Sleeping Bag & Quilt Guide
• About Sea to Summit
• The EN13537 Standard
• All About Down