The Pearl Izumi Elite Thermal Arm Warmer feature a new, softer Thermal fleece fabric with improved stretch, which makes both fit and comfort exceptional. It features PI Dry technology, which is what really sets these warmers apart, offering permanent water-shedding performance for more warmth in damp conditions while its BioViz logo near the elbow adds reflectivity in low-light conditions. The Pearl Izumi Elite Thermal Arm Warmer will become your best companion in cold weather rides.