COOLWICK Short Features: OSI COOLWICK FABRIC - lightweight poly that whisks perspiration off your skin! (Same fabric used in the Pro shirts, this short looks great with all Pro shirts!) NEW ATHLETIC CUT - great for running. BLACK BREIF LINER - (if unwanted liner can be cut out). Drawstring ELASTISIZED WAIST has an interior rubberized threading that HOLDS SHIRT IN PLACE. Two back pocket flaps are clipped at sides to lay flat. Two generous side pockets. USSF LOGO HAS BEEN EMBROIDERED ON RIGHT LEG. OSI Logo has been embroidered on left leg. Inside coin pocket.