Basement - Marmot Featherless Insulated Hoody

3M Thinsulate Featherless Insulation 140g/sqm
Weighs 474g (Medium size)
Code: AW17348
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Marmot's Featherless Hoody is constructed using 3M Thinsulate insulation - an innovative down alternative. It looks, acts and feels like down, even working when wet. 

Marmot says:

Light as a feather no longer applies. Marmot's Featherless Hoody helps redefine the phrase with its new revolutionary loose-fill 3M™ Thinsulate™ Featherless synthetic insulation. Matching the warmth of your traditional 700-fill-power down jacket, but more water resistant, this featherless phenom has a functional, mobile design, elastic cuffs for comfort and in-pocket stash-ability for convenience on the move.


Featherless - Featherless is a synthetic insulation that provides the warmth of 700 Fill Power Down while having all the benefits of synthetic material. Click the Logo to read more...

The big news here is the insulation. After 2 years of development, Marmot have created the next generation of synthetic insulation. The Featherless Hoody is scientifically engineered with 3M Thinsulate to replace natural down. It looks like down and acts like down but while traditional down loses warmth when wet, the Featherless keeps on performing.

The Featherless Hoody packs tight and travels light. Plus, its sustainably-produced materials are bluesign approved. There's a pull drawcord on the hem and the hood, cuffs and hem all have an elasticated binding. The jacket has 3 pockets in total - two hand warmer pockets and 1 internal storage pocket.

Overall a great looking jacket that will keep you warm even when wet.

- Reviewed by Ultralight Outdoor Gear

Read reviews here:


Help and advice: Synthetic Insulation explained at Ultralight Outdoor Gear
  • 3M™ Thinsulate™ Eco Featherless Insulation
  • Attached Hood with Elastic Binding
  • Zippered Hand Pockets
  • Elastic Bound Cuffs
  • Inside Zip Stuff Sack Pocket
  • Elastic Drawcord Hem
  • Angel-Wing Movement™
  • Small weighs: 446g
  • Medium weighs: 474g
  • Large weighs: 512g
  • XLarge weighs: 546g
  • XXLarge weighs: 578g
  • Fit: Regular
  • Center back length: 67.3cm


  • 100% Nylon Double Mini Rip 1.0 oz/ yd
  • 3M Thinsulate Featherless Insulation 140g/sqm
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