If you are looking for a high performance sleeping bag, but don’t want to be weighed down by a sleeping bag, our Spark ? range bags are for you.

Ultralight and technical, our Spark ? range sleeping bags are designed to keep you as warm as possible while optimizing

their weight and size when packed. The products in the Spark ? line range from ultralight liners to sleeping bags for winter expeditions. Although their end use is very different, these products reflect a design philosophy that consists of

to combine the weather conditions with sleeping bags as light as possible. The secret to this impressive performance is the combination of premium materials and careful design. Loft RDS 850+ goose down, YKKK # 3 small zipper, 10D nylon outer fabrics and high performance 7D liner fabrics deliver superior performance. These materials are combined with a sarcophagus-shaped design for effective insulation; this design is then adjusted on each model to better adapt to the context of use.

Our ULTRA-DRY Down ? water repellent treatment protects the down from outside moisture and condensation inside the sleeping bag, virtually eliminating all of the negative effects of moisture on the down. All sleeping bags in the Sea to Summit Down range have RDS certified down. ULTRA-DRY Down ? protection also makes the Spark ? range of sleeping bags successful in adventure raids or challenging alpine conditions, where every ounce is counted and down has never been a viable option.

Details:

Ultralight 7D and 10D fabrics to minimize the weight and dimensions of the sleeping bag when packed.
Loft RDS 850+ ULTRA-DRY Down ? goose down for maximum insulation.
A sarcophagus-shaped design for optimal comfort and effective insulation
Vertical padding that prevents the padding from shifting and creating cold spots.
NOTE: This bag was not designed to be paired with any other bag
Padding divided into H chambers to contain excess down and limit cold areas.
The size of the Expedition Sarcophagus Sleeping Bag provides additional space for additional layers of clothing or for more movement.
Vertical torso padding optimizes the down position to keep it from shifting during use.
Full side zipper with two pull tabs for easy access and additional ventilation options.
Zipper with padding, hood and padded front collar to prevent heat loss when needed.
Fill weight: 430 g, Compression sack size: XS, Weight: 665 g, Size: Spark ? SpIII Regular
Fill weight: 485 g, Compression sack size: XS, Weight: 703 g, Size: Spark ? SpIII Long