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Castelli Men

Castelli Men's Mortirolo V Jacket

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The ultimate climbers' jacket.

The Castelli Mortirolo V Jacket is a versatile cold-weather piece that offers superior wind-blocking performance and breathability. Combining Gore® Windstopper® X-Fast on the front with stretch windproof side and shoulder panels, the Mortirolo keeps the wind out for cold weather or mountain riding. The back panel utilizes Castelli's own highly breathable Thermoflex fabric, designed to aid in thermoregulation by keeping you warm and wicking away sweat rapidly.

The easy-sliding full-length YKK front zipper makes easy work of the on-the-go ventilation needed on those long climbs. A large reflective panel on the back adds improved visibility for passing motorists, and the 3 rear pockets securely store away all the riding essentials one might need.

Castelli features a form-fit design, if you haven't worn Castelli before it is recommended to size up one whole size. For example, if you normally wear a medium, select a size large.


  • Windproof front combined with highly breathable back for the ultimate climber's jacket.
  • Engineered knit stretch windproof panels on sides and shoulders.
  • Gore® Windstopper® X-Fast main body fabric.
  • Thermoflex rear panel for heat retention and moisture wicking.
  • Reflective panel below pockets for maximum visibility.
  • 3 rear pockets.
  • YKK Vislon zipper.
  • Claimed weight: 439g.

B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.

Discount Codes are not applicable to Closeouts.

This product is NOT Eligible for VIP Points.

Sleeve Type: Long Sleeve 

Black / Red - Medium

Mfg PartNum: B18505231-3 

Black / Red - Large

Mfg PartNum: B18505231-4 

Black / Red - X-Large

Mfg PartNum: B18505231-5 

Black / Red - 2X-Large

Mfg PartNum: B18505231-6 

Ordered by Most Relevant First
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Reviewed 8/7/2020
by PhotRay
Cycling Enthusiast
Modesto, CA
Value Rating
Overall Rating
Actually looks nicer than in the photo

Didn't think I was going to get to use this until next winter, but had some cold days on some Tahoe rides and was glad I brought it.

Important! I was warned that this runs small and they were right! Get a size larger than you usually do.

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Reviewed 6/1/2019
by BradC
Casual Cyclist
Value Rating
Overall Rating
1 of 1 customers found this review helpful.
Sizing issues....

Purchased this jacket and it looks great. Bought the next size up as recommended and really need two sizes up.

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Reviewed 1/7/2019
by MIke
Cycling Enthusiast
Value Rating
Overall Rating
3 of 3 customers found this review helpful.
Buy MUCH bigger than you think you should

I was psyched to buy a new cold weather jacket and thought this would be perfect. Scrutinized the sizing chart closely, had my wife measure my chest, twice, to make sure we got it right. Chart said go with XL, but to be safe I ordered both and XL and XXL. Can't miss, right? Nope. No jacket for you. I'm a big guy for a biker (6 foot, 200 pounds), but not huge, and these jackets must be sized by seriously underfed people, even by roadie standards. So, back into the box they go for a return, and I'm out the shipping charge for that. C,mon BTD and Castelli, it can't be that hard can it?

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Reviewed 6/8/2020
by Anonymous
Cycling Enthusiast
Northern Ohio
Overall Rating
Excellent quality very tight fit I'm 6'2 135 lbs and large is form fitting.

arms could be slightly longer although I have very long arms. Beautifully made windproof average moisture transfer

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Reviewed 3/7/2019
by Anonymous
Overall Rating
1 of 4 customers found this review helpful.
Awesome Jacket

This is of the best jackets I own - very universal temp. ranges and fits awesome.

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