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Inov-8 Flyroc 310 Tested

Do you really need heavy, traditional walking boots on British hills? We check out Inov-8's trail / adventure race shoe, that's designed to allow your foot to move as freely as it's meant to.


Posted: 9 November 2006
by Jon

Inov-8 Flyroc 310 Tested

Price: £65

Weight: 670 grammes (pair size 43)

Features:Lightweright trail / adventure racing shoe with Meta Flex, Meta Cradle webbing and Terra Shank, mesh uppers with reinforced toe bumper, endurance compound rubber sole, endurance last fit, webbing upper support.


What's It For? Inov-8 started off producing specialist shoes for fell and trail runners and technically the Flyroc 310 is intended as a trail or adventure race shoe. Increasingly though, the company's shoes are being used for all round walking by weight-conscious walkers who appreciate the shoes' lightness and grip.

Inov-8 says the shoe is 'ideal for off-road and mixed terrain use with excellent grip in grass and muddy conditions'.


The Techy Bits You could write a book on Inov-8's technical take on running shoes. While traditional walking boots have always tended to hold the foot rigidly in position, Inov-8 started with the premise that it was better to engineer a shoe which allowed the foot to perform in a way that allows the foot to behave almost as if running bare foot.

That means, they say, less injuries, and better feel and function as the foot can adapt subtly to cope with uneven terrain.

A lot of the technical features of the shoes are aimed at achieving that natural flexible fit - if you want the full monty check out the company's web site - so webbing straps are precisely placed to secure the upper while allowing the metatarsal heads to move naturally, sole units are designed to give a balance between comfort and underfoot sensitivity and so on.

The bottom line is that a lot of thought has gone into the shoe.


How It Performs If you've only ever walked in traditional boots, even lightweight ones, then bolting on a pair of Flyrocs is going to be something of a shock, but a pleasant one.

The 'rocs are so light and so natural that it's almost like being turbo-charged and we found ourselves inadvertently blasting up hills that we'd previously taken at a gentler pace - it's a bit like riding a super lightweight mountain bike or taking off your pack; you really do feel lighter and faster.

The fit on our pretty average medium volume, medium width, standard-issue Brit' test foot was excellent; snug enough to prevent unwanted movement within the shoe, but not tight like a lot of fell shoes. What we weren't prepared for was the combination of precision and flexibility that the Flyrocs allow. Despite having a slightly dodgy ankle, we never felt unstable or insecure in the shoe and could adapt easily to changing terrain.

The big-paddled rubber sole gives phenomenal grip on both dry and, particularly soft to muddy ground giving fantastic confidence underfoot. The rubber's not quite so assured on wet rock, but still pretty good, some Inov-8 shoes use a stickier compound for rocky grip.

The relatively thin sole unit gives adequate cushioning, but sits close enough to the ground for good stability underfoot. The end result is that you find yourself skipping condidently through tussocky ground and descending, in particular, much faster than you would in boots. Four wheel drive for feet :-)

It's not all roses though, the version we have uses a simple mesh upper which is great for breathability but not so hot for dealing with puddles and heavy rain though they dry fast. There's a Gore-Tex XCR-lined version out about now, which should cope better with those conditions though.

We also had a problem with the snug and unpadded heel cup rubbing on an irregularity on the back of our heel bone. That's not the shoe's fault, but it does emphasise the need to take care when trying on minimalist footwear.


Verdict


Superb balance, fit, grip and flexibility for walking and trail running. The sole bites into soft ground with the relish of a polar bear spotting a seal cub and natural movement of the foot allows for precise and accurate foot placement with no instability. Meanwhile the light weight gives a jet-heeled spring to your walking.

The mesh-uppered version tested isn't ideal on damper days, though the bumper and reinforcements mean shallow puddles aren't a problem, but a new Gore-Tex XCR version should be better for winter use.

Otherwise hard to fault. Mind that snug, unpadded heel cup though.


Light, grippy. precise and very natural feeling on the foot.
Mesh upper in this version not wet condition friendly.

Performance

Value


Inov-8 web site


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Maybe I'm a bit prejudiced precisely because I have relatively weak ankles from fell running injuries picked up whilst wearing shoes very similar to these in races in years gone by. As a result I believe that 3mm thickness of quality Italian leather and 2kgs of boots is the ONLY thing to put on your feet where heading outdoors - especially if you are "making your own tracks" across Scottish moorland to get Munros and/or carrying weight. I come from a cycling background and no-one need to tell me about every gramme less on a bike helping it to go up hill faster, but this logic simply doesn't apply to gaining 700m of un-pathed heigth in the realms of say Ben Alder, (and not even going up the tourist trail to Old Man of Coniston). Especially once you add in the rain. I have a pair of lightweight Scarpa ZG65 boots which I consider offer minimum ankle support: I don't consider them really suitable for un-pathed Munro bagging in any season as there simply isn't enough ankle support to "throw" my ankle back if a knot of bracken or tuft of grass starts to send it in a nasty direction. Similarly, in terms of carrying weight on good paths, lightweight boots like this are only suitable for maximum pack of 40L/8kg over 8 hour day; My other boots are new version Mantas and will carry heavier weights and will allow me to confidently traverse "straight line" descents off Munros in all weathers. Furthermore, I wore them with no problems day after day in Switzerland in 30C heat with no overheating/blister problems ( 2 pairs Thorlos helped). Why would anyone choose a flimsy, lightweight shoes with minimum grip, absolutely no ankle protection and nothing to keep your feet dry from submergence in icy peat bogs? Inov8 aren't bad fell/trail shoes by any standards and I know very well we live in an age of "market diversification" but trying to flog these things for anything other than the most leisurely beach stroll seems a step to far in my book.

Posted: 10/11/2006 at 11:22

Apparently it's the ankle cup on the shoe which provides the support and not the high leather ankle on boots.

I'm still a bit wary myself.

Posted: 10/11/2006 at 11:37

It is the heel cup that provides ankle support. Most lightweight boots don't actually give any more ankle support than trail shoes. Try standing on the outside edge of a pair of boots to see how much support they give. The only boots I have that give appreciable support are plastic ski touring boots.

I use trail shoes or sandals for most of my walking and, as I've said many times, I find light flexible footwear more secure than heavier footwear because it allows my feet to move and flex naturally. Inov8 shoes don't have minimum grip, they have excellent grip - better than that on many boots. There are versions with Gore-Tex linings now and you can wear waterproof/breathable socks. The last is the best choice in my opinion - on a recent two-day crossing of Moidart (which has some of the toughest terrain anywhere in the British hills) two of us (TGO deputy editor John Manning and me) wore trail shoes with waterproof/breathable linings while Simon Willis wore Inov8 shoes with long SealSkinz socks. Simon was the only person with dry feet by the end. Boots wouldn't have been much help either, the bogs were too deep.

Obviously it is a matter of choice if Mantas feel fine for summer walking (I would hate them) that's not a problem. However to say that alternatives like Inov8s are unsuitable is incorrect. Plenty of people have walked thousands of miles in all conditions in Inov8s and other light flexible footwear. They choose them because they make their walking easier and more enjoyable. It may not be so for everyone but those who see advantages in light footwear are not wrong.

Posted: 10/11/2006 at 12:22

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