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Some Western Mountaineering items must be custom ordered once an online order has been placed. Typically we will be able to ship your item to you within 3-4 weeks. If the item is in stock it will ship immediately.

If the Western Mountaineering product that you're interested in is not available on our website, please send an email to [email protected] for all custom orders.

Flash Down Booties – Ultralight Down Booties for Backpacking and Cold Camps

The Flash Down Booties are the gold standard in ultralight down booties for backpacking and cold weather camping. Weighing just 3 oz (85g) per pair in size medium, they deliver exceptional warmth, comfort, and compressibility — all in a package light enough to blow away if you leave them out on a windy day.

Whether you’re warming up after a long day on the trail or relaxing at an alpine basecamp, keeping your feet warm plays a critical role in regulating your overall body temperature. The Flash Booties feature 850+ fill power ethically sourced goose down, offering reliable insulation even when the temperature drops.

The shell is built from 12D ripstop nylon that’s ultralight yet durable, allowing the down to loft to its full potential. A 1/4″ foam insole adds lightweight underfoot insulation and support, while the simple elastic drawcord closure seals in warmth just above the ankle — no frills, no unnecessary weight.

These booties are designed for serious outdoor use, but they’re equally at home in a mountain hut, backcountry yurt, or your own living room. Ideal for anyone with cold feet or poor circulation, they provide packable comfort that goes wherever you go.

Highly compressible and warm enough for deep winter trips, the Flash Booties have become a must-have for ultralight backpackers, thru-hikers, and mountaineers alike. When every ounce matters, and warm feet mean better sleep and better mornings, the Flash Booties are the gear you’ll never leave behind.

Features:

• Extremely light (average total weight 3oz/85g per pair)
• Elastic draw cord closure
• Loose fit (size down for a more snug fit)
• Average of 1oz of fill per pair
• High Lofting Goose down insulation
• Superior quality 1/4″ EV50 foam insole
• 70denier coated nylon rand and outsole
• 12 denier ripstop nylon outer shell material
  

Specs:

• Average total weight: 3oz
• Shell fabric: 12D Ripstop Nylon
• Fill: 800 Fill Power Goose Down

Please note: The Great Divide Trail discount does not apply to this item.