Nike Pro Combat Diamond Thief Speed Slider - Men's Make the base, time after time and bounce up ready for more in the Nike Pro Combat Diamond Thief Speed Slider baseball undergarment. This short offers a Dri-FITŪ poly/spandex blend for maximum moisture management. A technical-grid, graphite side panel prevents abrasions, bruises, and rashes during sliding or fielding. The mesh gusset adds breathability to reduce heat buildup. Includes an ergonomic cup pocket. Body: Dri-FIT 84% polyester/16% spandex. Gusset: Dri-FIT 90% polyester/10% spandex. Imported.