Poc Propel sunglasses review - Roads? Where we're going we don't need roads

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Poc launched newPropel sunglasseswith the claim that they are "the most aerodynamic cycling sunglasses Poc has ever produced", thanks in part to the addition of "side fairings" to the wrap-around lens - the better to help guide air away from the rider's ears.

与Poc本身做不到精确的exact aero gains, I did my best to put the Propels through a rigorous testing programme and see how they stack up against our otherbest cycling glasses. But in terms of how many watts are actually saved, unfortunately I don't have any clearer a picture.

(Image credit: POC Sports)

Poc Propel: design

I doubt it was Poc’s intention – difficult to negotiate copywrites and all that – but I can’t get over the uncanny similarity between the Propels and Doc Brown’s mirror-shield visor glasses he dramatically dons as he and Marty set off to travel Back to the Future. Or, to be exact, these are probably the ones he would wear in the alternate version of 2015, it’s just taken a few extra years to get them to market.

Unlike Doc’s, Poc’s tech isn’t entirely in the wrap-around lens of the Propel. Much of it has to do with the close fitting and very subtle ‘trailing edge’ flaring of the sides of the frames which – according to Poc’s computational fluid dynamic modelling – reduces drag and turbulence around the rider’s ears. Designs as subtle as this make me wonder the effect on aerodynamics of different ear sizes and angles, side burn thickness and earring design. POC haven’t publicly said what watt savings a rider might expect although Poc's head of global PR and communications Damian Phillips has gone on the record as saying “…we are seeing watt savings, typically in low single figures when riding at 40kph.”

For those who are keen to pursue every aerodynamic gain that is theoretically possible, one or two watts extra will be very attractive. I suspect the rest of us will be basing a decision of whether to buy on the vision and fashion credentials of the Propels.

(Image credit: Rachel Sokal)

Poc Propel: construction

The huge wraparound lens uses Poc’s Clarity technology for a clear view and sharp contrast. It also has a repellent coating for muck and moisture and an anti-scratch treatment. The standard lens is for road riding in mid-light conditions and there’s a clear lens included too. Additional lenses are available for trail riding or brighter conditions.

The frame itself is really minimal just running on the sides and across the base of the lens. The arms are adjustable by sliding in and out and there are three different sized nose bridges.

There are six different frame colours with coordinated mirror lenses for mid-light conditions.

Poc claims that the ‘majority’ of the ‘biogrilamid’ frame is made from renewable resources. The company doesn’t expand on what actually the ‘majority’ percentage is and what it defines as renewable. It’s a small step in the right direction but I’d like to see some tangible information to substantiate these headlines.

(Image credit: Rachel Sokal)

Poc Propel: the ride

Despite all the tech and design wizardry, I can’t help but liken the lightweight plastic frames to something you could buy from a £/$1 shop for a kid’s dressing up outfit. Sorry Poc, I do believe that they are much better than this, they’re just so incredibly lightweight (1.1oz / 32g on our scales).

Despite the plasticy appearance of the Propels they feel really great on, they’re really comfortable and stable. Adjustment is easy and effective which the other half interpreted as permission to borrow the glasses whenever he liked.

(Image credit: Rachel Sokal)

The field of view and lens clarity is really stunning. The Clarity lens definitely does it’s job, sharpening what’s in view. It’s not until you wear something like this that you realise that your view is typically quite restricted by the edges of the frames and lenses. With the Propels there’s much less need for those subtle head and eye movements to keep what’s around you in your peripheral vision, an attractive feature for bunch riders and sprinters alike.

By nature of the aerodynamic design there’s not much airflow under the lenses so if you’re a steamy rider then you might find these misting up a fair bit. And, again, because of their shape it’s also quite difficult to shift them a bit to improve the flow or wipe your face. I, for one, won’t be wearing these for hot climbing days.

And finally, onto the elephant in the room; did I ride a little faster with a little less wind noise around my ears? If I did, I can’t say that I noticed. Maybe I’ll need to start addressing all my other aerodynamic disadvantages before I can fully assess this one.

(Image credit: Rachel Sokal)

Poc Propel: value and conclusion

At $275/£230 the Poc Propels aren’t going to be an idle purchase, even if they do come with two lenses. As a comparison,Oakley Jawbreakersare a mere $225/£180.

If you have the money and can pull off the pro-peloton look then there’s much to like about the Poc Propels. The lens quality and field of vision is outstanding and let’s not forget about those few extra watts you get from the aero profile. For most of the riding mortals out there, there are many excellent sunglasses out there which cost a lot less money and a whole load of more proven ways to gain some extra watts in the saddle.