Callaway Mens Solid Mesh Block Performance Polo The Callaway Mens Solid Mesh Block Performance Polo comes with flat back meshing and handsome piping details. Also featured are a contrast Chevron logo on the center yoke and a tonal embroidered Chevron inside the placket. Additional features: 100% polyester Short sleeve Flat-knit collar Open-hem sleeves Two-button placket Moisture wicking UV protection Anti-microbial Wrinkle resistant Easy care