Sea To Summit – Spark SP1 Sleeping Bag


The Spark SP1 is ideal for mid-summer  hikes or adventure racing and can double as a liner to significantly boost the warmth of a second bag or your Ember Quilt.

Comfort Range:  Comfort 9°C – Lower Limit 5°C – Extreme -9°C

 

$429.00$459.00

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Ultra-light and technical, the Sea To Summit Spark™ Series bags are designed to keep you as warm as possible while minimising packed weight and size. The Spark™ Series spans everything from an ultralight liner to an expedition weight mid-winter bag. While the end usage is very different, they reflect a design ethos of matching weather conditions to the lightest bag possible. The secret to the impressive performance is a combination of premium materials and careful design. The RDS 850+ Loft premium goose down, light-gauge #3 YKK zip and high performance 10D Nylon shell and 7D lining fabrics, set the stage for superior performance. These materials are combined with a contoured mummy design for efficient insulation, and that mummy design is then tweaked for each model to best fit the use scenario. Our ULTRA-DRY Down™ water-repellent treatment protects the down from external moisture and condensation from the inside of the bag, virtually eliminating the negative effects moisture has on down. All Sea to Summit Down Sleeping Bags use Responsible Down Standard (RDS) certified down. The ULTRADRY Down™ protection also makes the Spark™ an impressive hard-alpine or adventure racing bag, where every gram is counted and down has never been a viable option.

The Spark SP1 is

  • Ideal for mid-summer  hikes or adventure racing
  • Doubles as a liner to significantly boost the warmth of a second bag or quilt.

Features

  • Comfort Range:  Comfort 9°C – Lower Limit 5°C – Extreme -9°C
  • Ultralight 7D and 10D fabrics for minimal weight and packed size
  • RDS 850+ Loft Premium Goose ULTRA-DRY Down™ for maximum insulation value
  • Contoured mummy shape for comfort and efficient insulation
  • Vertical chest baffles prevent down migration and cold spots
  • Sewn through construction minimises weight
  • Sewn through vertical baffles on chest optimises position of down to prevent it moving during use
  • ½ zip with single slider aids access while keeping weight to a minimum
  • Updated sizing provides extra room for both shoulders and hips while still maintaining insulation efficiency
  • Includes lightweight Ultra-Sil™ Nano compression bag for compact storage
Weight 385 g
SIZE:

Regular, Long

MATERIAL:

Shell: 100% Nylon,
Lining: 100% Nylon,
Primary Filling Material: GOOSE DOWN (Min. 90% Down),
Stuffsack: 100% Nylon excluding Trims

COMFORT RANGE:

Comfort 9°C – Lower Limit 5°C – Extreme -9°C

The EN13537 is a European standard for sleeping bags that provides three temperature levels to help guide you when choosing a bag.

Comfort: The temperature at which a standard woman can expect to sleep comfortably in a relaxed position. If you are female or consider yourself a cold sleeper, use this rating to decide the coldest temperature the sleeping bag is suitable for. Sea To Summit emphasize the Comfort temperature for our women’s specific sleeping bags.

Lower Limit: The temperature at which a standard man can sleep for eight hours in a curled position without waking. If you consider yourself a warm sleeper, use this rating to decide the coldest temperature the sleeping bag is suitable for. Sea To Summit emphasize the Lower Limit temperature for all our unisex sleeping bags.

Extreme: This is a survival only rating for a standard woman. Between the lower limit and the extreme rating a strong sensation of cold must be expected and there is a risk of health damage due to hypothermia. This is an extreme survival rating only; Sea To Summit do not recommend you rely on this rating for normal use.

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