Big Agnes V Notch UL 40 Synthetic Sleeping Bag

4°C Comfort Limit, 369g of PrimaLoft Hi-Loft Ultra Silver Synthetic Insulation
Weighs 582g (Regular bag)
Code: SS206491V
  • Now £184.99
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Big Agnes' 2020 V Notch synthetic sleeping bag has been redesigned with the inclusion of extra insulation and updated fabrics. The star of the show is still the Primaloft Hi Loft Silver Ultra insulation which delivers a low weight bag with a great summer temperature rating of 4C.

Big Agnes says:

Even in those warm summer months, as soon as you get up high or down low near water, that chilly quilt or bulky old bag you've been using since high school is not cutting it. The V Notch UL is a highly compressible sleeping bag with a cozy lining of incredibly lightweight and packable Primaloft® Hi-Loft Ultra Silver insulation. It will keep you warm and keep your pack light, whether that's a backpack, bikepack or packraft.

As a fast and light synthetic option Big Agnes' 2020 V Notch UL ticks all the boxes, 3/4 length zip, cinchable hood and shaped footbox. The hood is quite simple, which is what you would expect on a summer weight bag. Although Big Agnes still don't get their sleeping bags EN tested but they do quote a temperature rating of 4C that should be about equivalent to the EN 'Comfort Limit'.  

On to the bag itself - it's heavier than the down equivalent but that isn't a surprise, its about 170 grams different, but there's usually a reason why someone chooses synthetic over down such as performance when wet, the type of conditions you'd be using it in such as bivy trips or even perhaps an allergy of down. Weight-wise it compares well with other synthetics and is at the higher performance end.

- Reviewed by BasecampGear

Help and advice:
  • 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
Weight582g (excludes storage bag)704g (excludes storage bag)
FillPrimaLoft® Hi-Loft Ultra SilverPrimaLoft® Hi-Loft Ultra Silver
Fill weight369g / 13oz425g / 15oz
Stuff sack size15 x 27cm15 x 27cm
Compressed bag size10 x 13cm11 x 13cm
Fits up to
Shoulder Girth
Hip Girth
Foot Girth
Comfort Limit
4°C / 40°F4°C / 40°F
Pad Size Needed
Works with any pad size or styleWorks with any pad size or style

Materials & Construction

  • Nylon rip-stop shell fabric with a water-repellent finish
  • Polyester Taffeta lining
  • 70% recycled PrimaLoft® Hi-Loft Ultra Silver insulation
  • Stitch-free shell construction for maximum thermal efficiency and water resistance
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