The original CORE short sleeve snap shirt. Works hard, plays hard.
Genuine, western design 

Pearl snaps
Breathable & light-weight (can take a good sweat)
Dries fast
UPF 30
Wrinkle-resistant (put it on, wrinkles shake right out)
Vented back
Soft-stretch fabric 
Sunglasses/Pen slit in pocket
Hidden snaps to hold down collar