Product: Men's long-sleeve button-down shirt

Brand: Calvin Klein

Color: A solid shade of red, possibly a deep red or burgundy.

Material: The tag clearly indicates "100% COTTON."

Fit: The shirt appears to be a classic or regular fit, with a straight silhouette when laid flat.

Collar: Features a classic spread collar.

Details:

 * A six-button placket down the front.

 * The buttons are a light, translucent color, likely a pearlescent white or cream, contrasting with the red fabric.

 * There is a single patch pocket on the left chest.

 * The "CK" logo is subtly embroidered in a matching or slightly darker thread on the chest pocket, a common feature on Calvin Klein shirts.

 * The sleeves are long and feature a buttoned cuff. The shirt is folded with the cuff visible.