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When technical terrain requires you to leave your arms unrestricted but the temps are cold, zip up the MontBell Men's U.L. Down Vest. The lofty 800-fill goose down keeps your core toasty warm and the Polkatex DWR finish on the ultralight be extremely durable shell shields the insulation from light rains and falling snow.

  • Ultra-lightweight Ballistic Airlight ripstop nylon shell fabric is 1.5 times more abrasion-resistant and three times more tear-resistant than heavier ripstop
  • Tight weave of nylon adds wind-resistance and a soft, silky feel
  • Polkatex DWR finish provides reliable wind and water resistance
  • 800-fill goose down keeps your core toasty warm
  • Sewn-thru construction prevents the down from shifting
  • Dual front pockets warm up cold hands

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Here's what others have to say...


Sizing info

  • Familiarity:I returned this product before using it
  • Fit:Runs large

I'm 5'11" and 150lbs. The medium was too big for my liking. It would've fit well as an outer-layer, but I plan on using this vest as a mid-layer (i.e. over a Patagonia R1 hoody). Got the small instead and it fits perfectly with a base-layer or two underneath. Excellent warmth to weight ratio! This vest will probably go everywhere with me.


Nice Vest

  • Familiarity:I've used it several times
  • Fit:True to size

This vest is exactly what its advertised as. It is super light and did a decent job keeping me warm in 40ish degree weather over a Patagonia Capilene 3 base layer on an eight day backpacking trip into the Diablo foothills in California. It's not the warmest vest out there and those who get cold easily may prefer to get a heavier vest, but it packs down tiny and has a great warmth to weight ratio. Haven't lost any feathers yet that I've noticed either. I am 6'4 and 180lbs. Tall and lanky. I got a medium and it fit great in the chest, snug but not constricting, but had a little bit of extra room around the waist and was slightly short in torso length for my tall skinny frame, which would allow the occasional cold draft up my back. A drawcord in the hem could fix this, but would have added more weight too. Its shell is slippy and snag resistant and would layer very well under a jacket or tech shell. All in all its a great vest and a great piece of gear to add to the collection.


Excellent light vest

  • Familiarity:I've used it once or twice and have initial impressions
  • Fit:True to size

(Men's Small, 6' 145. 36" chest, 32" waist)

A men's small fit perfectly well, tight. Normally I wear a S-M jacket, mostly mediums. I sized down to fit this under anything. It's really thin, so I don't know how warm it will be, but it's really effective for layering.


Really nice vest

  • Familiarity:I've used it several times
  • Fit:True to size

I bought this down vest a couple of weeks ago and have used it a couple of times in 30-40 degree weather. It has performed very well in keeping me warm and the best thing is, I can't even feel the weight. Perfect warmth to weight ratio for me.