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Clearance
Trek -1 Women's Down Sleeping Bag
Smart Buy
Down Filled
Insulated
Water Resistant
Packability
Ultra Compact
Compact
Mid Size
Warmth
Summer
Multi-season
Alpine
Weight
Ultralight
Lightweight
Midweight
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Average weight
1239g (Regular), 1418g (Long)
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Compression
18 Litres (Regular), 20 Litres (Long)
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Fill weight
520g (Regular), 610g (Long)
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Fill
ULTRA-DRY Duck Down 650+ Loft, RDS certified
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Fits to
170cm (Regular), 185cm (Long)
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Foot width
60cm (Regular), 65.5cm (Long)
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Inner
20D recycled polyester with a non-PFC DWR finish
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Outer
20D recycled polyester
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Shoulder width
72.5cm (Regular), 77.5cm (Long)
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Temp rating
minus 1°C comfort rating woman / minus 11°C Lower comfort rating for men; Temperature rated in accordance with ISO 23537-1:2022
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- Women's-specific fit: Narrower at the shoulders, wider between the hips and knees. Regardless of the position you sleep in (figure-four, on your side or on your stomach), this shape provides a significantly higher level of comfort by giving you the room to move without compressing the insulation.
- Women's sleeping bags have additional insulation compared to unisex bags, positioned using different body mapping for thermal performance exactly where it is needed
- Sustainable construction with 100% recycled bluesign®-approved 20D polyester shell and lining, a PFC-free water-repellent coating and RDS down
- 650+ Fill Power, RDS-certified, 85% Down Cluster Premium Duck Down with ULTRA-DRY Down treatment for improved water resistance in damp conditions
- Free Flow Zip System for reliable, snag-free operation, to provide superior ventilation and allow the bag to be used as a comforter/quilt:
- Primary zip: full-length #5 zip with zip-plow and two sliders
- Secondary zip: half-length #5 zip with zip-plow and two sliders
- Foot box zip: #5 with two sliders
- Vertical chest baffles, horizontal baffles lower half and base, box wall baffle construction throughout
- Generous fitted hood with two soft touch adjustments; fits a Sea to Summit regular pillow
- Fitted front draft collar: scalloped over the neck and oversized at the shoulders
- Single, synthetic-filled, draft tube along the top of all zips
- Internal pocket for phone / GPS / valuables
- QuiltLock System allows Sea to Summit quilts to be locked into place over the top of the Trek, giving you modular and versatile sleeping bag
- Form a snug double sleeping bag by zipping to any unisex Sea to Summit sleeping bags
- Includes lightweight Ultra-Sil compression bag and storage cell
Spark Ultralight -9 Women's Down Sleeping Bag
Down Filled
Water Resistant
Lightweight
Packability
Ultra Compact
Compact
Mid Size
Warmth
Summer
Multi-season
Alpine
Weight
Ultralight
Lightweight
Midweight
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Average weight
930g (Regular), 1027g (Long)
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Compression
13 Litres (both sizes)
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Fill weight
685g (Regular), 780g (Long)
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Fill
ULTRA-DRY Goose Down 850+ Loft, RDS certified
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Fits to
170cm (Regular), 185cm (Long)
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Foot width
46cm (Regular), 51cm (Long)
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Inner
10D nylon with a non-PFC DWR finish
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Outer
10D nylon
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Shoulder width
71cm (Regular), 76cm (Long)
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Temp rating
minus 9°C comfort rating woman / minus 15°C Lower comfort rating for men; Temperature rated in accordance with ISO 23537-1:2022
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- Women's Mummy Fit: Fitted cut with generous anatomical footbox and technical hood, to maximise thermal efficiency and minimise bulk and weight. Wider at the hips and narrower at the shoulders for a better fit and heat retention for women.
- bluesign®-approved 10D nylon shell and lining fabric offers breathability, protection and effective temperature regulation for premium comfort in the outdoors; PFC-free DWR (durable water repellent) treatment keeps the hood and footbox highly water resistant
- 850+ Fill Power, RDS-certified, Goose Down with ULTRA-DRY Down treatment for improved water resistance in damp conditions
- 3/4-length #5 zip with anti-snag zip plow and two sliders
- Vertical chest baffles, horizontal baffles in the lower half and base, box wall baffle construction throughout
- Technical fitted hood with soft touch adjustment, extra deep for cosy-like feel
- Double draft collar
- Single, down-filled, draft tube along the top of all zips
- QuiltLock System and drawcord footbox enables quilts to be secured to Sea to Summit sleeping bags for added functionality and freedom
- Comes with an Ultra-Sil compression bag and a storage cell
- Ultralight does not mean ultra-tight: The Spark mummy sleeping bags are snug but still have adequate wiggle room for the performance-oriented, backcountry user
Spark Pro Ultralight -1 Down Sleeping Bag
Down Filled
Lightweight
Packability
Ultra Compact
Compact
Mid Size
Warmth
Summer
Multi-season
Alpine
Weight
Ultralight
Lightweight
Midweight
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Average weight
619g (Regular), 672g (Long)
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Compression
8 Litres (both sizes)
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Fill weight
310g (Regular), 356g (Long)
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Fill
ULTRA-DRY Goose Down 900+ Loft| RDS certified
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Fits to
185cm (Regular), 198cm (Long)
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Foot width
51cm (Regular), 56cm (Long)
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Inner
10D nylon with a non-PFC DWR finish
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Outer
10D nylon
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Shoulder width
77.5cm (Regular), 82.5cm (Long)
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Temp rating
3°C comfort rating woman / minus 1°C Lower comfort rating for men; Temperature rated in accordance with ISO 23537-1:2022
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- Mummy Fit: Fitted cut with generous anatomical footbox and technical hood, to maximise thermal efficiency and minimise bulk and weight
- bluesign®-approved 10D nylon shell and lining fabric offers breathability, protection and effective temperature regulation for premium comfort in the outdoors
- 10D nylon's waterproof and breathable features offer added protection and prevents exposure to tent wall condensation
- 900+ Fill Power, RDS-certified, Goose Down with ULTRA-DRY Down treatment for improved water resistance in damp conditions
- Free Flow Zip System for reliable, snag-free operation and minimal weight:
- Primary zip: full-length #5 with zip-plow and two sliders
- Secondary zip: 1/4-length #3 with zip-plow and two sliders
- Footbox zip: #3 with two sliders
- Hybrid box baffles with vertical chest baffles, horizontal baffles in the lower half and base, box wall baffles at the top half of the bag and sewn through quilted construction in the lower half
- Technical fitted hood with soft touch adjustment, extra deep for cosy-like feel
- Fitted front draft collar: scalloped over the neck and oversized at the shoulders
- Pairs with women's Sea to Summit bags and the QuiltLock System allows integration with Sea to Summit quilts
- Comes with an Ultra-Sil compression bag and a storage cell
Clearance
Trek -9 Women's Down Sleeping Bag
Down Filled
Insulated
Water Resistant
Packability
Ultra Compact
Compact
Mid Size
Warmth
Summer
Multi-season
Alpine
Weight
Ultralight
Lightweight
Midweight
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Average weight
1612g (Regular), 1800g (Long)
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Compression
26 Litres (both sizes)
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Fill weight
800g (Regular), 925g (Long)
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Fill
ULTRA-DRY Duck Down 650+ Loft, RDS certified
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Fits to
170cm (Regular), 185cm (Long)
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Foot width
60cm (Regular), 65.5cm (Long)
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Inner
20D recycled polyester with a non-PFC DWR finish
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Outer
20D recycled polyester
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Shoulder width
72.5cm (Regular), 77.5cm (Long)
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Temp rating
minus 3°C comfort rating woman / minus 9°C Lower comfort rating for men; Temperature rated in accordance with ISO 23537-1:2022
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- Semi-rectangular women's-specific fit is designed for spacious comfort when you're camping or traveling: slightly narrower at the shoulders and roomier through the hip area. Regardless of the position you sleep in (figure-four, on your side or on your stomach), this shape provides a significantly higher level of comfort by giving you the room to move without compressing the insulation.
- Women's sleeping bags have additional insulation compared to unisex bags, positioned using different body mapping for thermal performance exactly where it is needed
- Sustainable construction with 100% recycled bluesign®-approved 20D polyester shell and lining, a PFAS-free water-repellent coating and RDS down
- 650+ Fill Power, RDS-certified, Down with ULTRA-DRY Down treatment for improved water resistance in damp conditions
- Free Flow Zip System for reliable, snag-free operation, to provide superior ventilation and allow the bag to be used as a comforter/quilt:
- Primary zip: full-length #5 zip with zip-plow and two sliders
- Secondary zip: half-length #5 zip with zip-plow and two sliders
- Foot box zip: #5 with two sliders
- Vertical chest baffles, horizontal baffles lower half and base, box wall baffle construction throughout
- Generous fitted hood with two soft touch adjustments; fits a Sea to Summit regular pillow
- Fitted front draft collar: scalloped over the neck and oversized at the shoulders
- Single, synthetic-filled, draft tube along the top of all zips
- Internal pocket for phone / GPS / valuables
- Form a snug double sleeping bag by zipping to other Sea to Summit sleeping bags
- Includes lightweight Ultra-Sil compression bag and storage cell
