Sizes: S - 3XL, 5XL; 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;