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 + 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 Style#: FSS1002335 Model is 6’1” 180 lbs and wears a size medium. Not sure which size to grab? Check out our Fit Guide.