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Mavic Ksyrium Pro Thermo Jacket - Men's


Item # MAV007T

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Item # MAV007T

For the committed.

The first real snow of winter has blanketed the trees and covered the roads, but that's just an easy excuse for the weak-legged, faint-of-heart, fair-weather riders to head for the garage. For the dedicated and well-equipped, the cold weather means empty roads and increased solitude — but it doesn't have to mean frostbite and suffering. Mavic's Ksyrium Pro Thermo Men's Jacket is a highly advanced technical piece for cold-weather riding, designed to take care of all the details so your torso rides happily even when your hands are going numb and your breath is freezing to your face. 

Staying warm in the saddle is difficult, because climbs, descents, sprints, and moderate-tempo stretches all require varying amounts of exertion; basically, you're in danger of sweating and then freezing solid. Mavic got around this issue by designing the Ksyrium with a removable thermal inner shell, so you can alter your insulation for a given ride. The inner shell is made of PrimaLoft Sport, a lightweight and high-warmth softshell fleece, and features a Warm Shell Wind windproof membrane to ensure that cold gusts don't suck the heat out of your engine. The lining of the inner jacket, Warm Wick ST+, ensures that sweat doesn't build up, because clammy moisture will only make you that much colder when you start to descend. 

On the outside, the Ksyrium is made with a combination of windproof and water-resistant nylon and polyester panels, which keep you warm in more moderate temperatures when you've removed the inner shell. A stretchy polyester insert ensures freedom of movement, while ergonomic seams follow the contours of your body to increase mobility and eliminate irritation. Zippered ClimaVent vents increase the jacket's breathability and cooling, while the locking asymmetrical zipper prevents chin irritation and lets you increase ventilation as needed.

Mavic engineered the Ksyrium Pro Thermo Jacket with plenty of additional features to keep you warm, comfortable, and organized in the saddle. The cuffs seal tightly against your wrists to lock out drafts, a soft zipper garage and collar lining protect your throat, and reflective highlights help keep you visible when it's getting dusky. There are two rear pockets for ride essentials, along with a zippered front pocket for key items and a routing port for easy headphone use.

Tech Specs

[outer jacket] (front) 86% nylon, 14% elastane, (back, panels) 100% polyester, [liner jacket] (membrane/laminate) Warm Shell Wind, (face fabric) PrimaLoft Sport (93% polyester, 7% elastane), (lining) Warm Wick ST+
Clima Vent
1 zip chest media, 2 rear
Claimed Weight:
400 g
Recommended Use:
cold-weather cycling
Manufacturer Warranty:
2 years

Size chart


Men's Cycling Apparel

Mavic Men's Cycling Apparel
Chest 32.7 - 34.3in
34.6 - 36.2in
36.6 - 37.8in
38.6 - 40.2in
40.6 - 42.5in
42.9 - 44.9in
45.3 - 47.2in
Waist 28.0 - 29.5in
29.9 - 31.5in
31.9 - 33.1in
33.5 - 35.4in
35.8 - 37.8in
38.2 - 40.2in
40.6 - 42.5in
Hip 33.5 - 35.0in
35.4 - 37.0in
37.4 - 38.6in
39.0 - 40.9in
41.3 - 43.3in
43.7 - 45.7in
46.1 - 48.0in
How to Measure:
For best results, take measurements over your underwear.
Measure under your arms, around the fullest part of your chest.
Natural Waist:
Measure around your natural waistline, keeping the tape a bit loose.
Measure around the fullest part of your body at the top of your legs.
Using pants that fit well, measure the crotch seam to the bottom of the leg.
Measure from the center of your back to your wrist with arms held out.

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I like it a lot.

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

I have used this jacket several times in the early morning in crisp, low 30's weather. Even without the inner layer it kept me toasty. (I heat up pretty quick.) The off center zip at the neck works well. (I like it.) The extra front zip pocket is a nice feature. I have also used it on late night runs in similar cold temps.