That's not a bad discount considering two normally cost $179.90! 3 for $150 means they're $50 each:

3 Business Shirts for $150

Men's Business Shirts - GAZ MAN Online - Gazman Store

GAZ MAN are pleased to introduce our collection of pure cotton menís business shirts featuring easy care and wrinkle free fabrics, making ironing easier and providing the wearer with a fresh looking shirt all day long. Each shirt has extra body length, ensuring a neater look when tucked in and we are sure you will enjoy our new adaptable cuff which can be worn with cuff links or without.