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Objects in this photo are lighter than they appear! Western Mountaineering's Flash Down Booties weigh an average of 3 oz per pair, light enough that they just might float right out of your pack. 1/4" foam insoles provide just enough warmth and support beneath your feet, while the super-light ripstop nylon shell allows the down to reach its maximum loft. A simple elastic draw closure above the ankle keeps the cold air out while your feet stay toasty warm. You will not find a lighter bootie that is as warm as the Flash!
Western Mountaineering's top-notch construction methods, attention to detail, and years of experience working solely with premium down set them apart from other brands; they are simply one of the world's best down companies, bar none. Based in San Jose, CA, they are committed to manufacturing in the USA and Canada. Their down is sourced from free-range mother geese who are never live-plucked or force-fed.
XSM: US Men's 3.5 - 4.5 / US Women's 5 - 6
SML: US M 5 - 6.5 / US W 6.5 - 8
MED: US M 7- 8.5 / US W 8.5 - 10
LRG: US M 9 - 11.5 / US W 10.5 - 13
XLG: US M 12.5 - 14 / US W 14-15.5