Designed to put under a helmet, this beanie is highly breathable and fits perfectly. The multi-channel fabric at the head allows quick evacuation of moisture to maintain head temperature and prevent heat loss. The Polartec® micro fleece protects the forehead and the ears from wind and snow for absolute comfort. Water repellent fleece fabric that offers an accelerated dry rate and the highest retention of warmth, even in the most wet conditions. Cold Weather One-Size Top: Speed Dry - 87% Polyester, 13% Spandex Bottom : 100% Polartec Recycled Polyester Micro Fleece 160 gsm Made in Canada POLARTEC Recycled Fibers Brushed Fleece Speed Dry