The golf duo swing mesh polo has many outstanding features first this shirt features engineered sleeves to reduce the friction through your swing next the burnout back mesh panel provides ventilation while uv protected fabric provides upf 50 finally a moisture wicking anti microbial finish ensures dryness for your whole gamedetails coolmax front panel 87 polyester13 elastane jersey moisture wicking finish pure by heiq silver anti microbial finish uv protection upf 50 back panel 83