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Pro Alpha Layer - Men's

5 out of 5 stars
1 Review
Color:Urban Sage


Size Chart


Why We Like The Pearl Izumi Pro Alpha Layer

When we have a ride planned but cold weather tries to make us change our plans, we embrace the cold with the Pearl Izumi Pro Alpha Layer. Designed as a base or mid-layer for chilly winter rides or as a stand-alone layer on cool-weather rides, the Pro Alpha Layer is a staple in our fall-to-winter cycling apparel selection. Featuring a form-fitting cut and a main fabric made of Polartec Alpha Direct synthetic insulation, the Pro Alpha Layer is warm, easy to layer with, and has a stylish, yet plain design that looks great on its own. The Polartec Alpha Direct fabric is warm on the inside, is moisture-wicking, and has a brushed exterior to help further insulate us when used with an exterior layer. Three rear pockets allow us to store our essentials for quick access, and the extended rear hem keeps us covered hen in the riding position.


  • Versatile performance layer for cold weather
  • Form-fitting base layer/mid-layer
  • Polartec Alpha Direct fabric insulates and breathes well
  • Three rear pockets for small, quick-access items
  • Reflective elements keep us seen in darker conditions
  • Item #PLZO8K2
Responsible Collection
Polartec Alpha Direct (100% recycled polyester)
Insulation Weight
3 rear
road cycling
Manufacturer Warranty

Overall Rating

5 based on 1 ratings

Review Summary

1 Stars - 0 reviews
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5 Stars - 1 reviews

Fits True To Size

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Runs smallTrue to sizeRuns large

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Steve SGearhead
5 out of 5 stars

December 18, 2023

Embrace your inner Alpaca

I've used it several times

This jersey makes me feel a bit like an alpaca. Not going to lie, as a top layer I feel a bit goofy walking around in the material, I don't own too much that similar to this so it's an adjustment, but honestly, this jersey shines as a midlayer when paired with a windbreaker jacket. I've been using this under the Summit 3L WXB jacket in temps as low as 25-30 and it's been amazing, honestly almost too warm with how warm I run. Excited to test this out during some sub zero night fat biking! It's mega breathable and wicks moisture like nobodies business. Its also nice to have the pockets on the back just in case my windbreaker layer gets a bit warm and I need to shed some heat. This piece won an award from polartec for it's ability to shed moisture and body heat for a reason! fits true to size, but fits like it's meant to be layered over top of, so slightly slim.

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