Fabric: BIZ COOL Breathable 92% Polyester, 8% Elastane Stretch fabric. 130 GSM. Features: Quick dry fabric with mesh panels for added breathability. Reflective visability tape leg feature. Built-in quick drying mesh fabric briefs reduces chaffing. No twist elastic waist with internal soft drawcord. Internal key fob pocket. Available in Black and Navy only. Sizes: XS - 2XL. Colours: Navy, Black. Cares: Extras.