swift ultra light Swift Ultra Light fabric is an airy, lightweight fabric woven to provide airflow—seriously, it’s like being in the buff. lightweight four-way stretch sweat-wicking quick-drying features Designed for: Run Recycled polyester: 100% of the polyester in this product is recycled Lycra®: Added Lycra® fibre for shape retention Lined: Liner is sweat-wicking and quick-drying Shine-bright : Reflective detail helps keep you on the radar in low light Side slit: For mobility Inseam: 3"