Castelli Pro Seamless 2 Arm Warmer Black

A Wide Temperature Range Combined with Seamless Comfort

With Ineos Grenadiers we set out to make a better seamless arm warmer, while others on the market are made with a nylon/Lycra blend that tends to hold moisture, but Castelli knew we could get better moisture management with a polyester yarn. Working with polyester makes it more difficult to get the right stretch, return and manufacturing consistency, though. These warmers are a pro rider favourite because they're crazy light and they're extremely warm for their weight, yet even in milder conditions you don't overheat. They're so stretchy you hardly feel them on, yet when you take them off they occupy a fraction of the space that normal warmers would take in your pocket.

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