4.7oz, 92% polyester/8% spandex jersey knit fabric
Opti-Dri technology transfers moisture away from the body to keep you cool and dry. Opti-Shield sun protection technology UPF 50. Opti-Stretch fabric features interwoven layers of spandex to ensure maximum range of motion. Self-fabric collar, three-button placket with Callaway embossed button. Double-needle hemmed bottom with side vents, heat seal label provides tag-free comfort with tonal embroidered Callaway logo on right sleeve.