The iconic Nike Challenger shorts provide the comfort of a woven fabric with a novel articulated undershort. Mesh detailing and secure storage offer the versatility you expect from an everyday wear short. This product is made with at least 75% recycled polyester fiber. Lightweight woven fabric is made with at least 75% recycled polyester fiber. Dri-FIT technology keeps you dry and comfortable. Mesh bottom side panel provides ventilation. Redesigned inner undershort with articulated design for optimal fit and freedom of movement. Discreet back pocket with snap closure for safe storage of your phone. In-seam pockets for extra storage. Revamped narrow elastic waistband with drawstring allows you to customize the fit.