Pro Seamless Arm Warmer silicone waist Breathability - 4/5

Breathability - 4/5

The redesign includes an updated material package for enhanced durability

PrimaLoft® Silver ECO Insulation (80g)

one-handed vent adjustment

Soft and light warmers offering muscle support with a seamless construction

Pro Seamless Arm Warmer silicone waist Breathability - 4/5In conjunction with Team Ineos Castelli set out to make a better seamless arm warmer. Others on the market are made with a nylon Lycra blend that tends to hold moisture, but maybe they 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. It took a year longer than expected, but we're all glad they stuck with it. These warmers