Authentic Greg Norman Shark sleeve embroidery insignia labeling & 3 embossed Cream White pearled buttons down front top closure (spare sewn inside) ~ collared.  
Casual Golf style short sleeves Play Dry 100% Polyester ~ 2" base side slits for added ease in movement. 
Top shoulder to base hem measures approx. 31 1/2"; lying flat across fastened front chest pit to pit is 27" (totaling 54" all around including both front & back). 

Preowned good condition: see multiple & up-close outdoor + 1 indoor photo views (no stains, holes, nor tears noticed; minimal typical usage wear). 
Freshly laundered/hung to dry ~ ready to wear. Smoke-free home. 
 Best view in actual presence, color most true to 4th sleeve view shown, while others may appear darker/bolder w/Sunlight reflections.