What's Summit Club?
Find Your Store
Accessibility Policy
Home Page
When autocomplete results are available use up and down arrows to review and enter to select. Touch device users, explore by touch or with swipe gestures.
Expert Help

Cart, contains 0 items

Accessibility Policy
Home Page

Cart, contains 0 items

When autocomplete results are available use up and down arrows to review and enter to select. Touch device users, explore by touch or with swipe gestures.

Western Mountaineering
Flash Down Pant - Men's

4.666666666666667 out of 5 stars
3 Reviews
$310.00
Color:Black

Size:

Size Chart

Add Ons

Join Summit Club+ and


Ultralight Flash Pants deliver packable 850-fill down warmth for cold camps and alpine nights

What Our Gearhead® Experts Are Saying:


"I pack these anytime weight and warmth both matter. They disappear in the pack, but once the temps drop at camp or in the tent, they make a massive difference. I like how easily they layer under a shell pant for winter trips without adding bulk."


When the sun drops behind the ridge and the cold settles in, the Flash Pants are the layer we reach for to stay comfortable without overloading the pack. Designed by Western Mountaineering for cold weather camping and alpine missions, these down pants deliver serious warmth in a barely-there package, making them ideal for winter backpacking, shoulder-season overnights, and high-altitude camps where every ounce counts.


Insulated with 850+ fill power goose down, the Flash Pants trap heat efficiently while compressing small enough to stash until they’re needed. A wind-resistant ripstop nylon shell blocks drafts, while thoughtful details like a reinforced seat, adjustable waist belt, and elastic ankle closures make them practical for everything from melting snow at camp to settling into a cold-weather sleep system.


Details

  • Ultralight down pants crank up the heat when out in the freezing temperatures
  • Wind-resistant, water-repellent nylon ripstop for strength and packability
  • Reinforced seat fabric for durability around camp
  • Warm down comforts after a cold day of alpine quests
  • Compresses down to half the size of a standard water bottle
  • Adjustable waist belt dials in the fit and elastic ankle cuffs seal out drafts
  • Item #WES0058

This item is made with PFAS chemicals and cannot be shipped to some states. View Shipping Policy

Material
12D nylon ripstop, water-resistant coating
Insulation
850+-fill goose down
Fill Weight
2oz (57g)
Fit
regular
Inseam
[medium] 29in
Pockets
none
Waist
adjustable belt
Claimed Weight
6.3oz
Activity
mountaineering, winter camping
Manufacturer Warranty
lifetime
A mountaineer in a red jacket poses with a Western Mountaineering sleeping bag on a snowy alpine peak with mountain ranges visible in the background.

Gear That's Up For The Adventure

More than 50 years ago, two Northern California mountaineers set out to build the finest sleeping bags possible. That original vision continues to guide Western Mountaineering.

Shop All Western Mountaineering

Related Categories

Top Men's Climbing Clothing Product Photo

Men's Climbing Clothing

Related Searches

western mountaineering men's down pants850 fill goose down insulation pantslightweight down pants for menwater-resistant mountaineering pantscompressible down pants for cold weatheradjustable waist belt down pantsdurable nylon ripstop down pantsinsulated pants for alpine climbingmen's down pants for winter recoveryflash down pant men's specificationsregular fit down pants for outdoor activitiesbest down pants for mountaineering

Learn more about Flash Down Pant - Men's

How to Build Your First Trad Rack