Pro Seamless Bike Arm Warmers

Designed with Team Ineos, the Pro Seamless collection from Castelli was designed to make a better arm warmer. Others on the market are made with a nylon/Lycra blend that tends to hold moisture, but these use a polyester yarn for better moisture control. A pro rider favorite because they're crazy light and extremely warm for their weight, yet even in milder conditions, you don't overheat. They're so stretchy you'll hardly feel them on, yet when you take them off, they occupy a fraction of the space of traditional warmers in your pocket. Unisex sizing.

• unique, wicking fabric blend: 78% polyester/15% nylon/7% Lycra
• fully seamless construction won't chafe
• warm without causing overheating
• folds up extra small
• weight: 67 grams

Unisex sizing, use size chart to determine best fit.

To get the most out of your performance wear, we suggest that you wash on delicate cycle using cool temps, mild detergent, with like colors. Line dry if possible or on low heat in your dryer. Don't iron or dry clean.