Smart work shirts

[YoungJoseph]

Have been told to smarten up at work (not specifically me but generally). Anyway work isn't keen on us wearing t-shirts anymore so I suppose that I need to find suitable shirts instead.
I would prefer short or 3/4 length sleeves and ones suitable that don't need tucking in.

Easy / non iron.
A slim but not tight fit.
Collar wise, am not sure does a classic wing collar look smarter than a Mandarin style one for example?
Any suggestions much appreciated

Cheap would be good as well.

I often get my work shirts from H&M (well, actually more often from charity shops - also cheaper!!). The stretchy ones like these
www.hm.com/gb/product/93004?article=93004-E don't need much ironing. They're also nicely shaped around the bottom so they're fine to wear out. They usually have short sleeve shirts too (although they don't do my favourite mandarin collar, no button shirts anymore )

Thanks for replying, I thought that they might be good too. Not many colours available at the mo' though, perhaps when they get their autumn stock in?
Thanks for the charity shop tip, I'll look there too. Work is not well paid and I can't justify spening loads of money of clothes for work. I think that the smartening up is aimed at people (women of course) wearing fewer clothes because it has been so hot of late.