Pluton UL 40° Long Left
Pluton UL 40° Long Left
Pluton UL 40° Long Left
Pluton UL 40° Long Left

Pluton UL 40° Long Left

In stock

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Minimalist down fill ultralight mummy bag

Built for minimalist gram-counters with the highest gear standards, The Pluton UL 40° is a highly compressible sleeping bag filled with an incredibly lightweight and packable 850-fill DownTek™ insulation and finished with a PFAS-free water-repellent coating. It'll keep you warm and your pack light, whether you're backpacking, bikepacking, or on any ultralight adventure.


  • Comfort temperature: 40°F / 4,5 °C
  • Highly compressible, crazylight minimalist mummy bag for your fast and light adventures
  • Minimalist hood with drawcord
  • Low-profile cordlock lets you un-cinch the hood with one hand
  • Full-length zipper can be opened up for quilt use and provides easy temperature regulation
  • 70" / 178cm YKK #3 locking zipper
  • Ergonomic foot-box construction provides more loft and warmth
  • Two-way zipper
  • Zipper Garage
  • Streamlined exterior loops for hang drying or storage
  • Storage sack & stuff sack included


Shell and lining is Pertex® Quantum nylon ripstop
100% recycled Pertex® Quantum uses a tightly woven structure made from incredibly fine yarns, making a light and soft fabric that allows insulation to fully loft and maximize thermal efficiency
850 fill DownTek™ repels water while maintaining insulating value - bluesign® approved PFAS-free water repellent chemistry


Imperial Units Metric Units
Total Weight: 1lb 3oz 0,54kg
Total Fill Weight: 10oz 0,28kg
Compressed Bag Size: 4.5" x 5" 11,43cm x 12,7cm
Stuff Sack Size: 6" x 10" 15,24cm x 25,4cm
Max User Height: 6' 6" 198,12cm
Shoulder Girth: 62" 157,48cm
Hip Girth: 56" 142,24cm
Foot Girth: 39" 99,06cm

Pluton UL 40 Sizing



Keep your bag hanging if possible, or in its included mesh storage sack
Store in a cool, dry place away from heat sources


Even dirtbags wash their bags!
Machine wash in a washing machine WITHOUT AN AGITATOR, agitators are likely to cause damage to your gear
Oversized bags require oversized machines, you may need to go to a laundromat to wash your larger bags
Wash on a warm, gentle cycle
Use gear specific soap, we recommend Nikwax Tech Wash
Tumble dry low heat
Do not use fabric softeners
Do not bleach
Do not iron
Do not dry clean


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