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Diadora Polarex Plus Cycling Shoe - Men's
Sale $183.16$228.95 20% Off

Item # DIA000O

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Item # DIA000O


Ignore the winter.

Depending on the degree of your addiction to singletrack, cabin fever can start creeping in shortly after the snow's fallen and the trails are covered. Whether you just have to bust out of the house and go get lost out there, or if you never yield to Mother Nature to begin with, the Diadora Polarex Plus Mountain Bike Shoes are your best friend when it comes to getting out on the trails this winter.

The upper of the Polarex Plus shoes is made of element-proof Suprell-Tech. It's a material that's as tough against abrasion and impact as it is resistant to wind, snow, rain, mud, or whatever else you encounter out there. Inside, the shoes are lined with Diadora's Diatex waterproof membrane, further keeping out the nasty stuff. Inside of that is a soft thermal lining that insulates further, and it's also very soft and comfortable. The sole is aggressively lugged, and based on Diadora's Performance MTB CR sole, with a stiffness index of 6.0 on a scale of 1-10. The engineers could have made is stiffer, but for walking off the bike on slippery surfaces, a little bit of flex is necessary for stable footing. The shoes' fit profile is Diadora's Race Plus, which is snug but not constrictive, allowing you to wear thick socks if you'd like, and the entire system laces up with a Boa closure system, making it very easy to dial in a comfortable fit every time you put them on, even while wearing gloves. And at 395 grams for a size 42, these things are incredibly light for how much protection they afford.

Tech Specs

Upper Material:
[laminate/membrane ] Diatex, [face fabric] Suprell-Tech
Boa lacing system, hook-and-loop
removable Hi-Vent insole (EVA)
Performance MTB (composite reinforced)
Cleat Compatibility:
2-hole mountain
Claimed Weight:
395 g
Recommended Use:
mountain biking, winter rides
Manufacturer Warranty:
1 year

Size Chart


Cycling Footwear
EUUS MenUS Women
36 4 5.5
37 5 6.25
38 5.5 7
38.5 5.75 7.5
39 6 8
39.5 6.5 8.25
40 7 8.5
40.5 7.5 9
41 8 9.5
41.5 8.25 9.75
42 8.5 10
42.5 9 10.5
43 9.5 11
43.5 9.75  
44 10  
44.5 10.5  
45 11  
45.5 11.5  
46 12  

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Avg. ride time: 9h 49m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

Good winter shoe

  • Familiarity: I've used it several times
  • Fit: True to size
  • Size Bought: 45

Used a few times down to low 20s. Feet were warm with two pairs of socks (thin thermolite + wool) and no chemical warmers. Run true to sizing chart -- larger than Shimano's for the same size. I wear non-insulated Shimano's in 45 and got these in 45 as well but they are 1/2-1 size larger (which was the intention to wear thicker/multiple socks). Boa works well. Wish ankle gaiter was a bit higher. No experience with these in the rain.

Avg. ride time: 7h 54m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

Nice cold weather shoes.

  • Familiarity: I've used it once or twice and have initial impressions
  • Fit: True to size

I've worn these a few times in temps in the low 40s and they've kept my feet warm and dry. I haven't worn them in colder weather yet but I bought them a little large to be able to wear thick socks with them.