Whittaker Mountaineering
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Forty Below Camp Booties™

The synthetic insulated camp bootie are for mountaineering, winter camping, and even around the cabin, hut, or house!  Now your feet and toes can be nice and toasty after a hard day on your adventure.  The Forty Below® Camp Booties™ are insulated with a continuous filament polyester fiber, so they dry fast if they get wet.  They also provide insulation even if wet, as compared to down/feather insulation which provides no insulation when wet, plus may not ever get dry again during a trip. This synthetic insulation goes completely around and under your foot.  The 5/8” wide ribbon style lacing goes over the top of the forefoot and around the leg, to tie in the front with a bow.  It helps provide support and control on your foot, no more floppy booties!  They are very compact, and superlight at only 10 ounces per pair size medium!

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The synthetic insulated camp bootie are for mountaineering, winter camping, and even around the cabin, hut, or house!  Now your feet and toes can be nice and toasty after a hard day on your adventure.  The Forty Below® Camp Booties™…

read more
Specs Sizing

The sole is made of a thin waterproof unique rubber, embossed into a fabric with a small dot pattern, that stays flexible at 40 below and sheds snow easily. The lower side rand is made of Cordura nylon that is waterproof coated.  Taffeta nylon upper, and taffeta nylon lining to make them easy to take on and off with wool socks on.  Drawstring with cordlock top closure.  A very helpful feature is the removable closed cell foam footbed, so you can wear the Forty Below® Camp Booties™ inside the plastic mountaineering or ski boot shell when it is removed, helpful when your boot liner is drying.  Machine and hand washable.  Air or low heat dryer for drying.

  • Weight: 10 oz. per pair size Medium.
Small Women's 5-7
Medium Women's 7-10 / Men's 6-9.5
Large Women's 10+ / Men's 10-12
XL Men's 12.5-16


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Reviews 54321 5/5 stars based on 17 reviews.


Amazing snow camping booties!

These booties exceeded my expectations in every way! They were comfortable, warm and the lacing system ensures a snug fit on slippery terrain. Overall, an excellent product.

Use Situation: Spring climb and ski trip on Mt. Shasta.

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I purchased these as part of my arctic weather kit when preparing for a world record attempt to traverse the entirety of Iceland in a week, North to South, in winter. Originally just expected these to keep me warm when I was preparing for setting up my tent and getting ready for sleep, but they ended up being rather effective as a life-saving piece of equipment; when the weather turned ugly, they kept my feet mostly dry and protected them from exposure related problems like hypothermia and frostbite. My only criticism is that the insole pad doesn’t feel very cushy or warm, and didn’t seem to really fully dry out my feet when they were soaking wet from cold freezing sleet, snow and rain dumping from Iceland’s glaciers. They just kind of kept them dry and damp like a sleeping bag would. Overall, a good product.

Use Situation: Fit is true to size. Maybe experiment with velcro straps as opposed to the “wrapping around the ankle” thing . When hands are extremely cold it gets tricky to try to manipulate those ties and loop them properly through those eyelets.

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Warm, light, and pack down well

I like that fact that I can pack these down nicely into my backpack. Then, on those cold nights, I can sleep with them on. When I have to get up in the middle of the night I don't need to get cold shoes on, I already have warm ones on. Plus, they're comfortable for lounging around camp after a long day on the trail.

Use Situation: Winter mountaineering and backpacking. Extra layer to keep feet warm at night in the sleeping bag. No need to hunt for cold shoes when getting out of the tent at night.

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Great all-around camp bootie

I purchased these to pop on after long days on the mountain to give my feet a break from my mountaineering or hiking boots at camp. They have a removable insole in them that added extra comfort when walking around camp and kept them from sliding on the foot - making sure you only walked on the sole of the bootie! The lacing system keeps them super secure and easy to just slip on and off quickly without needed to re-tie for a quick bolt to the loo in the middle of the night.

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Kept feet toasty warm!

I recently (March) spent 8 days on Mt. Rainier, of which, 7 of the days were very challenging, weather-wise. These booties kept my feet warm and dry at night and while in the tent. When our cooking tent went down under heavy snowfall, we were forced to cook and melt snow in our vestibules. The booties were perfect for keeping my feet warm while cooking. I didn't wear them outside, as we had deep fresh snow (or rain) almost all the time... and it wouldn't have made sense to even try to wear them outside. I am very happy with these booties and look forward to getting more use out of them in the future.

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I bought these to replace an old pair of down booties. The old booties rolled around on my foot so that I was not consistently standing on the closed cell insulation but frequently on the down insulated portion--this also made the booties prone to lose traction and be slippery. Used the 40 Below Booties on a recent multi-day Teton hut trip and found them excellent! The lacing system keep them in place on my foot. Used them in the hut and for trips (through the snow) to the outhouse. Highly recommended!

Use Situation: see above

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Very comfortable and warm; can't wait to try them out in the snow

These booties fit true to size with plenty of room for mountaineering thickness socks. They are nice and warm around the house. All that keeps me from giving them five stars is the fact I haven't tried them yet for the reason bought them, I.e., snow camping. I expect they won't disappoint.

Use Situation: Just around the house so far; planning a snow backpacking trip to the Sierras later this winter. That will be the true test.

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Exactly what my son in law wanted.

He said they were perfect! Put them on and walked around in them as soon as he opened them!

Use Situation: Gift

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Keeps The Feet Toasty!

This is a great product. I recommend it to everyone.

Use Situation: alpine camping

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Bloody warm, alright.

At 40 degrees, they were too warm in only a few minutes. They'll remain in inside my bag for those sub zero nights. Great quality, thx.

Use Situation: Around camp

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