Keeping the pedals turning through the winter months can require serious protection if riding is going to be enjoyable. The options are lots of layers, or a ‘winter jacket’ like the Santini Power Shield Pro All-weather Jacket. It protects against wind, rain and cold without the need to don multiple layers, acting as a ‘one stop shop’ for all your winter needs.
The Power Shield Pro All-weather Jacket is a softshell style, fully waterproof jacket
(Image credit: Andy Jones)
Construction
Polartec’s Power Shield Pro fabric is extremely interesting, especially in a post-PFAS world. It is windproof, waterproof, breathable and stretchy, all whilst being made from plants. Well, at least, the membrane part of the fabric is made from 48% “bio-based materials”, providing a waterproof performance of 20,000mm of static head without the use of environmentally harmful PFAS (per- and polyfluoroalkyl substance). All the jacket’s seams are taped, so it is fully waterproof.
Perhaps even more importantly, the breathability stat for Power Shield Pro is 20,000g/m2/24hrs, which is pretty decent for a waterproof material and even more so for a tough, softshell-style jacket rather than a flimsy waterproof.
Taped seams keep the water out and the light grid pattern helps keep the heat in
(Image credit: Andy Jones)
Fabric aside, the cut, fit, and details of the jacket are very similar to those of Santini’s Windbloc Thermo Jacket, which I wore alongside it over the winter. The size large fitted me well, with room enough for a warm base layer underneath and plenty of length in the body and sleeves. There was probably slightly more room in this Power Shield Pro piece though, mainly because it lacked the bulky fleece inside, as the material just has a light grid pattern rather than any additional insulation. Santini offers a suggested usage range of 0°C to 10°C, but, as ever, this is very dependent on what is worn underneath it.
The Power Shield Pro fabric is pretty stretchy too, despite the membrane, with plenty of give for comfort and movement, whilst the double-ended front zip is water-resistant, with a large placket behind it for added weatherproofing. The collar is a good height, but lacks any soft-touch lining.
High collar provides great protection
(Image credit: Andy Jones)
One final welcome area where this jacket differs from the Windbloc Thermo is the inclusion of a rear pocket with a waterproof zip, albeit on the left side rather than the more usual right-hand side.
Three decent sized open pockets and a security pocket with a waterproof zip
(Image credit: Andy Jones)
Otherwise, the three large rear pockets, single-shoulder branding and reflective details are all as you’d expect and there is a small internal patch with details of a climb in the Bergamasque Alps called Il Selvino – for added inspiration and motivation I guess.
The Power Shield Pro All-weather Jacket is a unisex product available in Black, Beige, Green and Purple, in XXS to XXXXL.
The ride
Perhaps the biggest compliment (and uninformed confession on my part) is that for the first ride or two, I didn’t realise that the Power Shield Pro was waterproof. That is to say that I wore it on cool, breezy days when temperatures were above freezing, and I didn’t suffer unduly from moisture inside the jacket. When it dawned on me that the jacket was made of waterproof fabric with taped seams, I was even more impressed by its performance. Compared with the more insulated but not waterproof Windbloc Thermo, the Power Shield Pro was far more breathable. On the other hand, the Velocio Alpha Air Jacket and Castelli Espresso Air Jacket are even more breathable, albeit neither of them is waterproof.
Plenty breathable enough for hill efforts
(Image credit: Andy Jones)
On solo hilly rides when I could regulate my pace, there was virtually no dampness inside at all, and even on higher tempo group rides, the fabric’s ability to move moisture away from the skin was very good. I know that the Power Shield Pro is much less warm, but it does seem odd that the waterproof jacket is more breathable than Santini’s windproof one!
Santini’s temperature rating of 0°C to 10°C doesn’t seem too far out, but at the lower end, I’d need a couple of layers underneath or to know that I was going to be working hard. This isn’t a jacket that you could take off and put in a pocket when not in use on warmer days either, so once you’ve left the house, you are committed to wearing it all ride long.
(Image credit: Andy Jones)
After a good few washes, the external DWR treatment is still working well, with water beading up and rolling straight off, and although I have yet to ride it in serious rain, it is nice to know that you don’t necessarily have to carry an additional waterproof jacket if showers are in the forecast.
The only real criticism I have of the jacket is the available colours; the black and green are a bit dark for road safety during the winter months, and I can’t see the beige/cream option staying very clean-looking for long on a grimy day. The purple is probably the best choice, but it looks a bit old-fashioned to my eyes – maybe I spent too long drooling over anodised bike parts back in the day. I have also noticed a couple of picks/pulls in the soft outer fabric, but I can’t yet ascertain whether that is a one-off from me catching something or indicative of a vulnerability.
The purple is probably the brightest colour, but something more visible would be good
(Image credit: Andy Jones)
The size large was a good fit on me at 186cm/73kg, with room enough underneath for a toasty winter baselayer and even a light midlayer. The stretch meant that pocket access and movement on the bike was unrestricted (or at least as unrestricted as winter kit ever allows) whilst the body and sleeve length provided ample coverage and protection.
I can’t speak to its suitability for women in terms of its cut, but not producing a women’s specific version of such a useful jacket seems a bit of a shame.
I’ve referenced the Windbloc Thermo a few times above, and ideally, what I’d love to see is an amalgamation of the two products – a waterproof, breathable jacket with a few strategic areas of Alpha insulation. That would be a formidable winter jacket indeed.
Value and conclusion
It’s a pricey product, there is no doubt about that, but £250 is arguably less than you would need to spend on a good waterproof jacket plus insulating layers. It is also a nice, simple solution to riding in a wide variety of weather conditions and temperatures, negating the need for too much pre-ride cogitating and clothing faff. Whether you prefer this approach to a more adaptable layering system is up to you.
(Image credit: Andy Jones)
The breathability, which in my opinion is the most important aspect of clothing performance, was impressive for this type of top, and gives it a high degree of versatility – it wasn’t just a jacket that I wore if I thought I might get wet, I was more than happy to wear it on cold, dry days too and it was nice not always to feel the need to stuff an additional waterproof in my pocket every ride.
5 stars it is then, reflecting its fit, performance and wide operating parameters. I’d like the colours to better suit UK winter conditions and a women’s-specific fit version, though.
