Lightweight Four-way stretch Sweat-wicking Quick-drying Liner is lightweight, sweat-wicking, and quick-drying with added Lycra® fibre This product contains recycled polyester made from repurposed plastic waste High Rise, 2.5" Length *These shorts are in great condition. Disclaimer, I did cut out the built-in liner due to fit preference and I included photos of the short inside out to show.