The Under Armour Blurkryie II Short features HeatGearŪ technology that creates more airflow and breathability, allowing for increased performance. The signature moisture transport system wicks sweat away from your body, keeping your skin cool and comfortable. The honeycomb mesh sides add more breathability. HeatGearŪ is best for weather between 75 and 100 degrees. 12" inseam. 100% polyester. Imported.