A bowling shirt is a men's shirt that resembles an Aloha shirt

Aloha shirt

The Aloha shirt commonly referred to as a Hawaiian shirt is a style of dress shirt originating in Hawaii. It is currently the premier textile export of the Hawaii manufacturing industry. The shirts are printed, mostly short-sleeved, and collared. They usually have buttons, sometimes as a complete...

 in construction, but not appearance, typically being more conservative and not incorporating tropically themed prints. They are loose-fitting, collared, short sleeved, buttoned shirts, with a straight hem designed to be worn not tucked into the pants. The fabric, color and design vary greatly, but frequently incorporate contrasting Earth tones and simple geometric designs, with more expensive ones often made of silk

Silk

Silk is a natural protein fiber, some forms of which can be woven into textiles. The best-known type of silk is obtained from the cocoons of the larvae of the mulberry silkworm Bombyx mori reared in captivity...

. They may have a single breast pocket on the left - small logos or monogram

Monogram

A monogram is a motif made by overlapping or combining two or more letters or other graphemes to form one symbol. Monograms are often made by combining the initials of an individual or a company, used as recognizable symbols or logos. A series of uncombined initials is properly referred to as a...

initials are also common options on the left breast.