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Staying warm can be challenging when you're riding in the winter. Sometimes, even the bluebird days betray you. So when the crisp, morning air refuses to warm with the sun, the Pearl Izumi Thermal Long Sleeve Base Layer will retain your core's warmth and make your morning ride far more pleasurable.

Made with Izumi's P.R.O Thermal Fleece fabric, this thin layer has optimal insulation and dries quickly. Minerale has been woven into the fabric to provide an accelerated moisture transfer and odor-resistance. A crew neck collar sits low against the clavicle, and the next-to-body fit keeps the thermal layer from catching on your jersey. The tuckable-length drop-tail keeps your back covered in the case that your jersey sneaks up and wants to start a draft. Izumi also assured that the cut and length of the Thermal Base Layer make it ideal not only for cycling, but for running and skiing as well.

The Pearl Izumi Thermal Long Sleeve Base Layer is available in the colors Black and White and in five sizes from Small to XX-Large.

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Here's what others have to say...


Definitely a cold weather item

  • Familiarity:I've used it once or twice and have initial impressions
  • Fit:True to size
  • Height: 6'
    Weight: 165 lbs

I would say this is a sub 40F base layer, it is pretty thick. Honestly, I haven't had the need to try it cycling yet, but it's great for xc skiing. Typical Castelli sizing.