Spark Ultralight Sleeping Bag Liner
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Spark Ultralight Sleeping Bag Liner
Tech Specs

Specifications are maintained on Pack4Back GearDB (community edits and revision history). Values may differ from the manufacturer or your unit—verify before buying.

Best UseBackpacking
Tested Comfort50 degrees (F) - ISO
Temperature Rating (F)50 degrees (F)
Temperature Rating (C)10 degrees (C)
WeightRegular: 7.9 ounces
UltralightYes
Shell7-denier nylon
Zipper LocationLeft
Insulation TypeDown
Water-Resistant DownYes
FillUltra-dry down
Fill WeightRegular: 3.2 ounces
Lining7-denier nylon
Sleeping Bag ShapeMummy
Fits Up To (in.)Regular: 72 inches
Shoulder Girth (in.)Regular: 59 inches
Hip Girth (in.)Regular: 51 inches
Stuff Sack SizeRegular: 3.75 x 7 inches
Stuff Sack VolumeRegular: 2.2 liters
Compressed VolumeRegular: 0.9 liters
GenderUnisex
Description

Built for fast-and-light adventures, this Sea to Summit Spark Ultralight sleeping bag liner is a great pick for summer overnights or boosting your sleeping bag's warmth on chillier trips.

Features
  • 7-denier shell and 7-denier liner materials help to achieve an impressively light weight and compact packed size
  • 850-fill-power down provides cozy warmth
  • Sewn-through quilted construction makes this an incredibly light and compact bag
  • 1/3-length zipper
  • Includes lightweight Ultra-Sil™ compression bag and storage cell