This is an ergonomic cut mens casey that allows for smooth movement up and down the arms. There is an additional divider inside the chest pocket to separate the ballpoint pen or PHS. Both sleeves are lined with a color scheme for a simple yet neat look. Casey has been treated with SEK antibacterial treatment, so it suppresses the growth of Staph, Pulmonitis and MRSA, etc.This case is recommended for active workplaces.