Callaway Men's Bright White Silver Birdseye Polo Oxford Button Down Collar Polo White Collars & Co: Designer Polo Premium Vector A white polo shirt with a white collar and a white collar Callaway Men's White Core Performance Polo. FABRIC Polyester 89% Poly Urethan 11% DETAIL A clean, structured polo with downtown edge and preppy DNA. The silhouette is sharp, the mood is quiet confidence. A varsity style KL embroidery sits on the chest, while the back hemline features the script logo Saturday Golf Club; an homage to our growing subculture. Crafted from a 2 way stretch technical jersey with moisture wicking and UV protection, this piece moves with you through full swings and sunny days.