Perfect for hitting the track,trail or road, the Men's ZEROWEIGHT 5 INCH BLACKPACK 2-in-1 shorts will keep you cool and dry as you run in the sun. The outer layer is 100% recycled polyester, designed to be lightweight and loose-fitting for maximum freedom of movement, while creating airflow to evacuate excess heat for optimal moisture management. Meanwhile, the 20% elastane lining provides the necessary chafe-free support. Part of the ODLO Black Pack, pair these 3 INCH BLACKPACK 2-in-1 Running Shorts with a selection of running tops and headwear with matching reflective details especially designed for summer running.