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- Sea to Summit Spark SpII Ultralight Down Sleeping Bag
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About the Sea to Summit Spark SpII
The Spark Series sleeping bag delivers Sea to Summit's trademark performance with their lightest ever design. The Spark 2 is specially designed for minimalist outdoor adventures such as ultramarathons, adventure racing, ultralight trekking, climbing expeditions, and cycle touring.
Everything about the Spark 2 has been engineered to deliver optimum warmth without the weight penalty. A close-fitting mummy shape and ultra lightweight 10D nylon shell deliver a low bulk sleeping bag with a compact design and ultralight weight of just 510g.
Ultra-Dry Down® 850+ insulation gives you a highly compressible premium goose down with water-repellent treatment that protects from both external moisture and internal condensation. This helps retain over 60% more loft and absorb 30% less moisture when compared with untreated down and continues to insulate even in damp conditions.
The form-fitting design uses a 55/45 fill ratio to insulate your core as the bag rotates with you throughout the night. A soft touch 15D nylon lining fabric features a down-proof, highly breathable construction to ensure a comfortable nights sleep. A 1/2 length YKK #3 zip sheds excess weight while the contoured, adjustable hood and tapered footbox round out the design.
The Spark Series 2 sleeping bag from Sea to Summit is for the fast moving outdoor adventurer looking for a balance of weight, size and thermal performance for spring, summer and autumn outings.
- Best Use: 3-Season | Backpacking | Adventure Racing | Trekking | Travel | Climbing
- Construction: Sewn-through construction
- Zip: Left hand
- Insulation: Ultra-Dry Down® 850+ Loft, 90/10 premium goose down
- Shape: Mummy
- Total Weight: 490g | 18 oz (Regular) / 560g | 20 oz (Long)
- Fill Weight: 300g (Regular) / 345g (Long)
- Girth (Shoulder/Waist/Foot): 150 x 130 x 88 cm | 59" x 51" x 35" (Regular) / 158 x 138 x 97 cm | 62" x 54" x 38" (Long)
- Max User Length: 183 cm | 6' (Regular) / 192 cm | 6'6" (Long)
- Compressed Volume: 2.5L (Regular) / 3.5L (Long)
- Shell: 10D nylon
- Lining: 15D nylon
- Comfort 4°C | 38°F
- Lower Limit: -2°C | 28°F
- Extreme: -18°C | 0°F
- Temperature Rating Guide
- Ultralight & compact down sleeping bag for minimalist outdoor adventures
- Water-repellent Ultra-Dry Down® 850+ loft
- Anti-bacterial & anti-microbial down treatment
- Responsibly sourced down product (RDS certified)
- Contoured mummy shape for reduced bulk & pack weight
- 1/2 length YKK #3 zip with draft tube
- Tapered footbox
- Adjustable hood with drawcord
- Includes Ultra-Sil compression sack & a combined storage/laundry bag