Sea to Summit Spark SpIII Sleeping Bag-Long

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NPR75,540

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The Sea to Summit Spark SpIII is an ultralight down sleeping bag designed for 3-season backpacking and trekking, featuring premium 850+ fill power goose down for exceptional warmth-to-weight ratio. Buy Sea to Summit Spark SpIII in Nepal at Makalu e-Traders for the best deals on high-performance gear optimized for adventures.

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Ideal for avid trekkers, campers, and climbers tackling multi-day hikes in variable mountain conditions, the Sea to Summit Spark SpIII excels in diverse terrains from subtropical lowlands to high-altitude passes. This ultralight mummy sleeping bag targets minimalist adventurers seeking compact packability without sacrificing insulation, making it perfect for expeditions. Shop ultralight down sleeping bags with 850+ fill power in Nepal online at Makalu e-Traders for reliable performance in cool nights and damp environments.

Key Features

Mummy shape with contoured hood and anatomical footbox for efficient heat retention.
1/3-length YKK #3 zipper with anti-snag plow and insulated draft tube.
Box wall baffle construction throughout for optimal down lofting.
Differential fill ratio of 55/45 to prioritize insulation over the body core.
Included Ultra-Sil compression sack for minimal packed size.

Key Points

Ultra-Dry Down treatment enhances moisture resistance, outperforming untreated down in humid conditions unlike many budget alternatives.
RDS-certified goose down ensures ethical sourcing, setting it apart from non-certified competitors.
850+ fill power provides superior loft and compressibility compared to lower-fill bags like those with 700 fill power.
Bluesign-approved components for environmental compliance, appealing to eco-conscious buyers over non-sustainable options.

Technical Specifications

Max User Height: 198 cm (Long).
Internal Girth: Shoulder 147 cm, Hip 127 cm, Foot 89 cm .
Bag Weight:745 g (Long).
Fill Weight: 480 g (Long).
Compressed Volume: 3.7 L (Regular).
Packed Size: 35 cm x 15 cm.
Shell Material: 10 Denier nylon with DWR finish.
Liner Material: 10 Denier nylon.
Insulation: RDS-certified goose down, 850+ fill power, Ultra-Dry treatment.
Temperature Ratings (EN 13537): Comfort -2°C, Lower Limit -8°C, Extreme -26°C.
Zipper Length: 1/3 full bag length.
Certifications: RDS (Responsible Down Standard), Bluesign approved for compression sack