Gear Review- Arcteryx Procline Carbon Support/Lite Boots

Arcteryx Procline Boots Review
Light and comfy enough for a steep volcano scree field in blue jeans- photo by Matt Baldelli

This will be my third winter skiing and climbing in my Arcteryx Procline Carbon Lite Boots and I should have shared this review much sooner! The good news is since they are not new-this-season you can score a pair at amazing savings (like 45% off!). That’s basically pro-deal price available for everyone! But you still probably want to know if it’s a good boot for you right? So let me share my experience with them to help you decide!

I got these at the start of the 2016/17 winter as part of a back-country setup optimized for uphill efficiency but that could still slay on the downhill.

Arcteryx Procline Carbon Boots Review
Finding the line in flat light- photo by Brent Doscher

How I tested

I’ve since skied over 50 days in them including two week long ski trips to Iceland. This includes skinning at least twice a week while teaching avalanche courses every weekend from mid-December until April. I ice climbed in them a half dozen times up to leading grade 4 waterfall ice. I’ve skied them on powder days and more typical east coast crud days. I’ve worn them all over Mount Washington and on groomers at local ski mountains. Suffice it to say I’ve put enough time, miles, and elevation on them to form some opinions!

Arcteryx Procline Boots Review
Leading Within Reason, WI4 photo by Benjamin Lieberman

Let’s start with…

Fit/Sizing

I went with a Mondo size 27.5 for my US Men’s size 9 feet (slight Morton’s toe, medium arch/width). I wear my favorite Darn Tough ski socks with them. They fit like comfy cozy slippers for walking and skinning. They are comfortable “enough” for vertical ice climbing… but I’ll get into that more under climbing performance. When cranked tight for downhill performance they are as comfy as any ski boot I’ve ever worn, but I’ll go into a little more detail on that under ski performance.

Climbing Performance

When I say they are the most comfortable ski boots I have ever ice climbed in you must take it with a grain of salt. Why would someone climb vertical ice in ski boots? Well if it involves a ski approach/descent having a one boot system is a pretty sweet option. With out a doubt I’d say these climb better than any dedicated climbing boot skis. Simply put climbing boots do not ski well as they have virtually no “forward lean”. I learned this lesson the hard way skiing out of Chimney Pond in Koflach Vertical mountaineering boots many years ago. Long story short dedicated mountaineering boots might be great at hiking & climbing, but they will always come up short for real downhill skiing.

Arcteryx Procline Carbon Boots Review
Lowering off after leading an ice climb at the Hanging Gardens, Frankenstein Cliffs, New Hampshire. Photo by Benjamin Lieberman

Enter the Arcteryx Procline. In touring mode this boot is definitely comfortable enough for a 12 mile approach even if it includes quite a bit of walking. However it is to stiff laterally for classic “French Technique”. You will find yourself switching to front pointing as soon as the angle is too steep for simple heel to toe walking. While leading waterfall ice up to grade 3 it performs quite well and I even led Grade 4 in them.

I climbed in these with both my Petzl Vasak’s and Petzl Leopard FFL crampons.

A modern dedicated ice climbing boots like my Arcteryx Acrux AR are noticeably more comfortable (and warmer) for real technical rock and ice climbing… they also are terrible for downhill skiing. Perhaps the best way to explain it is route and condition dependent. While everyone reading this might not be familiar with my local terrain I think these examples should work.

  1. Early season or low snow years ascent of Pinnacle Gully on Mount Washington (Grade 3) which involves a 2000 foot 2.5 mile approach. I’d stick with a comfy mountaineering boot and leave the skis at home.
  2. Mid-late season or great skiing conditions ascent of Pinnacle Gully, this would be a perfect boot!
  3. My next Katahdin trip.

Finally you should know these are not the warmest boot out there. I have some freakishly warm feet so I tend to get by with less insulation than some of my climbing partners but there was one sub-zero day in Tuckerman Ravine where I got pretty cold toes while teaching an avalanche course. Standing around in them in arctic conditions is not the best idea. I still think they are plenty warm for fast & light adventures or summer trips to the Cascades.

Arcteryx Procline Boots Review
I’m wearing my blue jeans here since we were on our way to the airport when I saw this line an hour from Reykavik that needed to be skiied- photo by Matt Baldelli

Skiing Performance

The Arc’teryx Procline boots are only compatible with tech bindings like the Dynafit Speed Radical Bindings (my setup) or the G3 Ion 12 Bindings. I’ve been using them to drive the DPS Wailer 99 Tour 1 Skis (168cm). I assembled this set up to focus on uphill efficiency. Total weight for skis, boots, bindings is only 6.5 pounds per ski! Thanks to the 360 degree rotating cuff these are incredibly comfortable to walk and skin in. The carbon plate to switch from walk to ski mode has an easy to operate lever. In practice if you are not leaning forward enough while switching to ski mode the plate might not align perfectly with some raised nubs that really lock the plate in place. It’s quite easy to lean forward during this process and after a little practice you’ll get the plate to lock completely with little fuss.

Arcteryx Procline Carbon Boot Review
Walking back to the car after another great day in Iceland

Once switched into ski mode you can crank the two buckles down and the “power-strap” adds even more control. The boots definitely feel laterally stiff enough to ski fairly aggressively. Edge to edge control is sufficient enough for any black diamond in-bounds runs and I find the boots supportive enough to drive the skis in spring corn and mid-winter powder. When conditions are icy New England crud you’ll find me skiing these in a fairly conservative manner.

Summary

The Arcteryx Procline Carbon Lite Boots are the most comfortable boot I have ever skinned uphill in. They also are the only ski boot I’ve climbed technical ice in. They perform so well on the downhill that I ski them on in-bound groomers but really appreciate the all day comfort during long back-country days. They are not the warmest boots out there, but I have others for days when it’s really really cold out there. If you are in the market for a boot that is as efficient for uphill travel as it is for downhill travel you should take a close look at these! I’m really excited for my third winter season in these!

Buy on Backcountry (currently 45% off!)

So what’s changed with the new model this season? Check out this video from ISPO 2018 to learn about the upgrades the new version of this boot has! (Thanks to Ron B. for sharing this with me through Facebook!

 

See you in the mountains,

Northeast Alpine Start

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