Pearl Izumi's P.R.O. Barrier Leg Warmers keep you rolling in comfort no matter what the weather does. Constructed from P.R.O. Thermal Fleece with Minerale for warmth, the P.R.O. Barrier panels protect your skin from the wind and shed water. Elastic grippers keep the warmers in place, zippers on the ankles aid in removal, and reflective highlights improve visibility.