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Cold Doesn't Cancel The Ride.
Thermal cycling jerseys built to trap heat on the climb and vent it the moment the effort spikes—wind-blocking panels, BioViz® reflectivity, and a fit that holds warmth close through mile forty.
Forty degrees doesn't have to end your season. A thermal cycling jersey holds heat against your skin while pushing sweat out through the fabric, so a hard effort on a cold road stays comfortable instead of clammy. Add one base layer underneath, and the same jersey carries you into temps that would send most riders indoors.
Wind chill catches up around mile fifteen, right when you're breathing hard and sweating from the last climb.
The wind-blocking panel most winter cycling jerseys skip runs right across the chest, cutting the chill on fast, exposed sections without trapping heat on the way up. Higher collars and longer cuffs seal off the two spots where cold air gets in first: your neck and wrists.
Warmth at mile forty comes down to details most riders never notice until they're missing. Our thermal cycling jerseys earn their keep in exactly those spots:
BioViz™ reflectivity: elements across the back and sleeves stay visible from up to 100 meters once winter light fades by five.
Drop-tail hem: stretches long enough to overlap winter bib tights and close the gap at your lower back.
Zippered rear pocket: keeps a wallet or key locked down instead of bouncing loose on rough pavement.
DWR-treated face fabric: sheds road spray and light drizzle without needing a shell over it.
Recycled fiber construction: cuts environmental impact without cutting warmth.
Our winter cycling jerseys cover solo rides in the 40s without another layer. Once temperatures drop further, it works as a mid-layer under a winter cycling jacket, holding warmth close while the shell blocks wind and rain.
Pair it with full-finger gloves and shoe covers to close the gaps at your hands and feet when the real cold sets in.
Find answers to common questions about PEARL iZUMi products.
Aim for a fit close to your body, since trapped air is what holds in warmth. A jersey that's too loose lets that warm air escape and reduces how well the fabric works.
Most riders find them too warm for a stationary trainer, where there's no airflow to offset the added insulation. Save the thermal jersey for outdoor rides and stick with a standard jersey indoors.
Wash in cold water on a gentle cycle and skip the fabric softener, which clogs the fibers that trap heat. Hang to dry instead of using a machine dryer to keep the lining lofted.
Most are long-sleeved since coverage is the point, but some collections include three-quarter sleeve options for milder cold snaps. Check the product page for sleeve length before you buy.
Proper care keeps a thermal jersey's warmth and shape intact for several winter seasons of regular riding. Fleece lining wears fastest with heat exposure, so air drying makes the biggest difference in lifespan.
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