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The Men's Summit Thermal Jersey is made for high-output riding in cooler conditions—when the trails are empty, and the effort does the warming. A grid fleece interior holds heat close while pulling sweat to the surface, helping you stay dry through changing temps and shifting terrain. The stretch-infused fit moves with you in and out of the saddle, while its minimalist construction makes it versatile enough to layer over a base or under a shell when temps drop further. Recycled materials reduce environmental impact without compromising performance, so you can keep pushing the ride—and your gear—further.
Specs & Features
  • Grid fleece traps warmth close to the skin while actively transferring sweat to the outer surface
  • Stretch-infused fabric supports mobility across technical terrain and dynamic riding positions
  • Lightweight construction layers easily over a base or under a shell for added warmth on colder days
  • Made with recycled polyester to reduce environmental impact without sacrificing performance
Technology
Insulated
Sun Protection
Riding Conditions
Cold
Cool
Materials & Care

Main Body: 93% recycled polyester, 7% spandex | Other: 85% recycled polyester, 15% elastane

MACHINE WASH COLD WITH LIKE COLORS, GENTLE CYCLE, DO NOT BLEACH, DRIP DRY, DO NOT IRON, DO NOT DRY CLEAN, DO NOT USE FABRIC SOFTENER.

FAQs

The Men's Summit Thermal Jersey is a men's thermal mountain bike jersey for high-output riding in cooler conditions.

  • What conditions is it for?
    Cooler trail rides where the effort does the warming. Layer it under a shell when it gets colder.

  • How does it keep me warm without overheating?
    A grid fleece interior holds heat close while pulling sweat to the surface.

  • How does it fit?
    Relaxed, with stretch that moves in and out of the saddle. See the Size & Fit Guide for sizing.

  • What is it made of?
    The main body is 93% recycled polyester and 7% spandex.

  • What should I wear with it?
    Pair it with the Men's Summit AmFIB® Lite Pants for cold trail days.

Overall rating: 5.0 / 5 from 4 reviews.

AI Generated Review Summary

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Review highlights

Reviews

Nice jersey

"Just what I was looking for—lightweight jersey with enough warmth for cool weather. Fit is loose enough to use a baselayer underneath if necessary yet also easy to add a layer on top. Very comfortable, breathes well, moves with me on the bike. I expect to get a lot of use out of it."

— Jon K. (5/5)

Nice jersey

"This is overall a nice jersey for mountain biking or gravel baking. It is loose enough to be comfortable and stretchy. I can wear a base layer under it if I want to. It can also be a mid level if I need a jacket for colder days. I like the bright orange color."

— Robert M. (5/5)

Nice jersey

"Made well and fairly warm. Great with a light jacket over."

— richard h. (5/5)

New goto winter MTB

"This is perfect for mid-50s night mtb rides as a stand alone. High quality and wicks well."

— Ryan P. (5/5)

Q&A

Customer reviews

What riders say

5 out of 5 · 4 reviews

Read recent reviews (4)

Nice jersey

"Just what I was looking for—lightweight jersey with enough warmth for cool weather. Fit is loose enough to use a baselayer underneath if necessary yet also easy to add a layer on top. Very comfortable, breathes well, moves with me on the bike. I expect to get a lot of use out of it."

— Jon K. (5/5)

Nice jersey

"This is overall a nice jersey for mountain biking or gravel baking. It is loose enough to be comfortable and stretchy. I can wear a base layer under it if I want to. It can also be a mid level if I need a jacket for colder days. I like the bright orange color."

— Robert M. (5/5)

Nice jersey

"Made well and fairly warm. Great with a light jacket over."

— richard h. (5/5)

New goto winter MTB

"This is perfect for mid-50s night mtb rides as a stand alone. High quality and wicks well."

— Ryan P. (5/5)

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