Sea to Summit Spark SP I

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Retailers' Descriptions

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The Sea to Summit Spark Sp I Sleeping Bag is an ultralight bag that balances size, weight and warmth to make it an excellent choice for summertime backpacking, cycle touring and mountaineering.

- REI

Sea to Summit Spark I 45 Degree Down Sleeping Bag. Ultra-Dry Down protection and warmth in a minimalist package. Using 850+ loft goose down treated with the amazing moisture repelling Ultra-Dry Down, a micro-weight 10D shell and 15D lining, the Spark is one of the best warmth for weight minimalist sleeping bags available. The Spark is an ultra light bag with several key uses. Its balance of size, weight and warmth make it an excellent summer sleeping bag, especially for cycle touring and ultra-light hiking. Compresses down to about the size of a grapefruit. Its size and temperature rating means it can also work well as a booster bag, slipping inside another sleeping bag to add warmth. The protection of Ultra-Dry Down makes the Spark sleeping bag ideal for summer alpine use and adventure racing, where heavy weight is not tolerated and where until now down has not been a viable option. The secrets of the Spark's amazing warmth to weight ratio are in the premium quality down, micro-weight shell and liner fabrics, the 1/3 length #3 YKK zipper, and the sew-through transverse baffle construction. The shell, lining and other components combined weigh less than the down insulation inside: 6.3 oz for the down versus 6 oz for the rest of the bag. Plus, the Spark compresses so small, Sea to Summit had to re-engineer their compression sacks to make one that reduced sufficiently. Shell: 10D Pertex Quantum treated with DWR. Liner: 15D nylon soft touch, high density weave. 850+ loft Ultra-Dry Down (90/10 European goose down). Fill weight: Regular 6.3 oz. 180g. Bag weight: Regular 12.3 oz. 348g. EN Temperature Rating: 46 F / 8 C Lower LImit. Suggested use: Cycle touring, ultra-light hiking, adventure racing

- Tahoe Mountain Sports

The Spark from Sea to Summit is an ultra light bag with several key uses. Its balance of size, weight and warmth make it an excellent summer sleeping bag, especially for cycle touring and ultra-light hiking. Its size and temperature rating means it can also work well as a booster bag, slipping inside another sleeping bag to add warmth. The protection of Ultra-Dry Down makes the Spark ideal for summer alpine use and adventure racing, where heavy weight is not tolerated and where until now down has not been a viable option.

- CampSaver.com

Free Shipping. Sea to Summit Spark SPI Sleeping Bag FEATURES of the Sea to Summit Spark SPI Sleeping Bag Contoured mummy 10D Pertex Quantum shell for minimal weight and bulk Sewn through lateral baffles for optimal weight/bulk/warmth ratio 55/45 fill ratio Contoured hood with drawcord Tapered footbox 1/3 length YKK3 side zip Includes lightweight 15D Ultra-Sil compression bag, mesh storage cell and laundry bag. SPECIFICATIONS of the Sea to Summit Spark SPI Sleeping Bag Comfort: 54deg F / 12deg C Lower Limit: 46deg F / 8deg C Extreme: 23deg F / -5deg C Ultra-Dry Down 850+ Loft 90% Down Cluster Premium European Goose Down Length / Zip Option: Left 1/3 length zip Season Rating: Summer/Spring/Autumn Suggested Use: Travel; Adventure racing; Summer cycle touring; Liner bag; Ultra lightweight hiking; Ultra lightweight alpine climbing Compressed Volume: 1.55 liter Compression Bag: 3XS: 2.5 to 1 liter SPECIFICATIONS for Regular Fill Weight: 6.3 oz / 180 g Bag Weight: 12.3 oz / 348 g SPECIFICATIONS for Long Fill Weight: 7 oz / 200 g Bag Weight: 13.8 oz / 390 g

- Moosejaw

Weighing only 12. 3 ounces, the Sea to Summit Spark Spl Sleeping Bag brings the comfort without the weight whether you're an ultralight backpacker, an adventure racer, a touring bicycler, or an alpine climber. Primarily focusing on giving you the lightest bag out there, Sea to Summit stuffed the Spark Spl with 850+ down for the best possible warmth-to-weight ratio that can still keep you nice and toasty in temps down to 45 F. Sea to Summit utilized Pertex Quantum for the shell to keep the bag as light as possible, and then made the lining out of nylon to keep the bag durable. Going beyond just being ultralight, Sea to Summit's Ultra-Dry Down treatment also helps this bag resist moisture to enhance your comfort regardless of the conditions. The Spark Spl has a contoured mummy shape to closely fit your body while you sleep. Its full hood wraps around your head to eliminate the possibility of waking up with freezing ears, and the 1/3-length zipper on the left helps maximize warmth when the temps drop down to 23 F. The Spark compresses so small that Sea to Summit had to re-engineer a new compression sack for it, ending up with a sack that fits in the palm of your hand. So when you get this bag, you might be able to stuff your pack with a few extra snacks for the trip even if you're trying to be as minimalist as possible.

- Backcountry.com