Formal, semi-formal, or casual - we have shirts for every occasion and need. PrAna is a lifestyle clothing and accessories brand headquartered in California, US. PrAna has been in business for three decades now and operates as a subsidiary of Columbia Sportswear. Olive is having varieties like dark, light, brownish, greenish, and more. It is the most common color in camouflage. Once you have picked the right style and budget for you, the next step is a selection of fabric. We have a variety of fabric options like Flannel, Cotton, Blend and Poplin. Latest trending style of Prana Olive Shirts for men are from Solid, Printed and Plaid pattern.